215033658097 has 2 divisors, whose sum is σ = 215033658098. Its totient is φ = 215033658096.

The previous prime is 215033658067. The next prime is 215033658181. The reversal of 215033658097 is 790856330512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155362893921 + 59670764176 = 394161^2 + 244276^2 .

It is a cyclic number.

It is not a de Polignac number, because 215033658097 - 2²³ = 215025269489 is a prime.

It is a super-2 number, since 2×215033658097² (a number of 23 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 215033658097.

It is not a weakly prime, because it can be changed into another prime (215033658067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107516829048 + 107516829049.

It is an arithmetic number, because the mean of its divisors is an integer number (107516829049).

Almost surely, 2^215033658097 is an apocalyptic number.

It is an amenable number.

215033658097 is a deficient number, since it is larger than the sum of its proper divisors (1).

215033658097 is an equidigital number, since it uses as much as digits as its factorization.

215033658097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 215033658097 in words is "two hundred fifteen billion, thirty-three million, six hundred fifty-eight thousand, ninety-seven".