35664779413 has 2 divisors, whose sum is σ = 35664779414. Its totient is φ = 35664779412.

The previous prime is 35664779411. The next prime is 35664779489. The reversal of 35664779413 is 31497746653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28555254289 + 7109525124 = 168983^2 + 84318^2 .

It is a cyclic number.

It is not a de Polignac number, because 35664779413 - 2¹ = 35664779411 is a prime.

Together with 35664779411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35664779411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17832389706 + 17832389707.

It is an arithmetic number, because the mean of its divisors is an integer number (17832389707).

Almost surely, 2^35664779413 is an apocalyptic number.

It is an amenable number.

35664779413 is a deficient number, since it is larger than the sum of its proper divisors (1).

35664779413 is an equidigital number, since it uses as much as digits as its factorization.

35664779413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 55.

The spelling of 35664779413 in words is "thirty-five billion, six hundred sixty-four million, seven hundred seventy-nine thousand, four hundred thirteen".