356968016969 has 2 divisors, whose sum is σ = 356968016970. Its totient is φ = 356968016968.

The previous prime is 356968016963. The next prime is 356968016981. The reversal of 356968016969 is 969610869653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356364823369 + 603193600 = 596963^2 + 24560^2 .

It is a cyclic number.

It is not a de Polignac number, because 356968016969 - 2¹² = 356968012873 is a prime.

It is a super-2 number, since 2×356968016969² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 356968016899 and 356968016908.

It is not a weakly prime, because it can be changed into another prime (356968016963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178484008484 + 178484008485.

It is an arithmetic number, because the mean of its divisors is an integer number (178484008485).

Almost surely, 2^356968016969 is an apocalyptic number.

It is an amenable number.

356968016969 is a deficient number, since it is larger than the sum of its proper divisors (1).

356968016969 is an equidigital number, since it uses as much as digits as its factorization.

356968016969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113374080, while the sum is 68.

The spelling of 356968016969 in words is "three hundred fifty-six billion, nine hundred sixty-eight million, sixteen thousand, nine hundred sixty-nine".