32813962261 has 2 divisors, whose sum is σ = 32813962262. Its totient is φ = 32813962260.

The previous prime is 32813962219. The next prime is 32813962283. The reversal of 32813962261 is 16226931823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21023260036 + 11790702225 = 144994^2 + 108585^2 .

It is an emirp because it is prime and its reverse (16226931823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32813962261 - 2⁹ = 32813961749 is a prime.

It is a super-2 number, since 2×32813962261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32813962201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16406981130 + 16406981131.

It is an arithmetic number, because the mean of its divisors is an integer number (16406981131).

Almost surely, 2^32813962261 is an apocalyptic number.

It is an amenable number.

32813962261 is a deficient number, since it is larger than the sum of its proper divisors (1).

32813962261 is an equidigital number, since it uses as much as digits as its factorization.

32813962261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The spelling of 32813962261 in words is "thirty-two billion, eight hundred thirteen million, nine hundred sixty-two thousand, two hundred sixty-one".