469749347957 has 2 divisors, whose sum is σ = 469749347958. Its totient is φ = 469749347956.

The previous prime is 469749347953. The next prime is 469749347981. The reversal of 469749347957 is 759743947964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457552133476 + 12197214481 = 676426^2 + 110441^2 .

It is a cyclic number.

It is not a de Polignac number, because 469749347957 - 2² = 469749347953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469749347953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234874673978 + 234874673979.

It is an arithmetic number, because the mean of its divisors is an integer number (234874673979).

Almost surely, 2^469749347957 is an apocalyptic number.

It is an amenable number.

469749347957 is a deficient number, since it is larger than the sum of its proper divisors (1).

469749347957 is an equidigital number, since it uses as much as digits as its factorization.

469749347957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440270720, while the sum is 74.

The spelling of 469749347957 in words is "four hundred sixty-nine billion, seven hundred forty-nine million, three hundred forty-seven thousand, nine hundred fifty-seven".