54357646969 has 2 divisors, whose sum is σ = 54357646970. Its totient is φ = 54357646968.

The previous prime is 54357646963. The next prime is 54357646979. The reversal of 54357646969 is 96964675345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51262393744 + 3095253225 = 226412^2 + 55635^2 .

It is a cyclic number.

It is not a de Polignac number, because 54357646969 - 2²¹ = 54355549817 is a prime.

It is a super-2 number, since 2×54357646969² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54357646969.

It is not a weakly prime, because it can be changed into another prime (54357646963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27178823484 + 27178823485.

It is an arithmetic number, because the mean of its divisors is an integer number (27178823485).

Almost surely, 2^54357646969 is an apocalyptic number.

It is an amenable number.

54357646969 is a deficient number, since it is larger than the sum of its proper divisors (1).

54357646969 is an equidigital number, since it uses as much as digits as its factorization.

54357646969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146966400, while the sum is 64.

The spelling of 54357646969 in words is "fifty-four billion, three hundred fifty-seven million, six hundred forty-six thousand, nine hundred sixty-nine".