32990211697 has 2 divisors, whose sum is σ = 32990211698. Its totient is φ = 32990211696.

The previous prime is 32990211643. The next prime is 32990211701. The reversal of 32990211697 is 79611209923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17924122161 + 15066089536 = 133881^2 + 122744^2 .

It is a cyclic number.

It is not a de Polignac number, because 32990211697 - 2²³ = 32981823089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32990211697.

It is not a weakly prime, because it can be changed into another prime (32990211497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16495105848 + 16495105849.

It is an arithmetic number, because the mean of its divisors is an integer number (16495105849).

Almost surely, 2^32990211697 is an apocalyptic number.

It is an amenable number.

32990211697 is a deficient number, since it is larger than the sum of its proper divisors (1).

32990211697 is an equidigital number, since it uses as much as digits as its factorization.

32990211697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 49.

The spelling of 32990211697 in words is "thirty-two billion, nine hundred ninety million, two hundred eleven thousand, six hundred ninety-seven".