349923622969 has 2 divisors, whose sum is σ = 349923622970. Its totient is φ = 349923622968.

The previous prime is 349923622927. The next prime is 349923622981. The reversal of 349923622969 is 969226329943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233857353744 + 116066269225 = 483588^2 + 340685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349923622969 is a prime.

It is a super-2 number, since 2×349923622969² (a number of 24 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 349923622969.

It is not a weakly prime, because it can be changed into another prime (349923622999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174961811484 + 174961811485.

It is an arithmetic number, because the mean of its divisors is an integer number (174961811485).

Almost surely, 2^349923622969 is an apocalyptic number.

It is an amenable number.

349923622969 is a deficient number, since it is larger than the sum of its proper divisors (1).

349923622969 is an equidigital number, since it uses as much as digits as its factorization.

349923622969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68024448, while the sum is 64.

The spelling of 349923622969 in words is "three hundred forty-nine billion, nine hundred twenty-three million, six hundred twenty-two thousand, nine hundred sixty-nine".