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57954369989 is a prime number
BaseRepresentation
bin110101111110010110…
…011000000111000101
312112120221101000220202
4311332112120013011
51422142304314424
642342431140245
74121110005545
oct657626300705
9175527330822
1057954369989
112263a804a4a
12b294974685
1356079c7829
142b3ad1b325
151792d7a2ae
hexd7e5981c5

57954369989 has 2 divisors, whose sum is σ = 57954369990. Its totient is φ = 57954369988.

The previous prime is 57954369971. The next prime is 57954370007. The reversal of 57954369989 is 98996345975.

It is a balanced prime because it is at equal distance from previous prime (57954369971) and next prime (57954370007).

It can be written as a sum of positive squares in only one way, i.e., 57684030625 + 270339364 = 240175^2 + 16442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57954369989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57954359989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28977184994 + 28977184995.

It is an arithmetic number, because the mean of its divisors is an integer number (28977184995).

Almost surely, 257954369989 is an apocalyptic number.

It is an amenable number.

57954369989 is a deficient number, since it is larger than the sum of its proper divisors (1).

57954369989 is an equidigital number, since it uses as much as digits as its factorization.

57954369989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661348800, while the sum is 74.

The spelling of 57954369989 in words is "fifty-seven billion, nine hundred fifty-four million, three hundred sixty-nine thousand, nine hundred eighty-nine".