35664779489 has 2 divisors, whose sum is σ = 35664779490. Its totient is φ = 35664779488.

The previous prime is 35664779413. The next prime is 35664779531. The reversal of 35664779489 is 98497746653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34704709264 + 960070225 = 186292^2 + 30985^2 .

It is a cyclic number.

It is not a de Polignac number, because 35664779489 - 2⁸ = 35664779233 is a prime.

It is a super-2 number, since 2×35664779489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (35664779389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17832389744 + 17832389745.

It is an arithmetic number, because the mean of its divisors is an integer number (17832389745).

Almost surely, 2^35664779489 is an apocalyptic number.

It is an amenable number.

35664779489 is a deficient number, since it is larger than the sum of its proper divisors (1).

35664779489 is an equidigital number, since it uses as much as digits as its factorization.

35664779489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274337280, while the sum is 68.

The spelling of 35664779489 in words is "thirty-five billion, six hundred sixty-four million, seven hundred seventy-nine thousand, four hundred eighty-nine".