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1992716597 is a prime number
BaseRepresentation
bin111011011000110…
…0111000100110101
312010212122111021102
41312301213010311
513040113412342
6525422455445
7100244545244
oct16661470465
95125574242
101992716597
11932922523
12477434585
13259ac7161
1414c92095b
15b9e24832
hex76c67135

1992716597 has 2 divisors, whose sum is σ = 1992716598. Its totient is φ = 1992716596.

The previous prime is 1992716581. The next prime is 1992716633. The reversal of 1992716597 is 7956172991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1156408036 + 836308561 = 34006^2 + 28919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992716597 - 24 = 1992716581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1992716507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996358298 + 996358299.

It is an arithmetic number, because the mean of its divisors is an integer number (996358299).

Almost surely, 21992716597 is an apocalyptic number.

It is an amenable number.

1992716597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992716597 is an equidigital number, since it uses as much as digits as its factorization.

1992716597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 56.

The square root of 1992716597 is about 44639.8543568413. The cubic root of 1992716597 is about 1258.3897707749.

The spelling of 1992716597 in words is "one billion, nine hundred ninety-two million, seven hundred sixteen thousand, five hundred ninety-seven".