675634436579 has 2 divisors, whose sum is σ = 675634436580. Its totient is φ = 675634436578.

The previous prime is 675634436557. The next prime is 675634436641. The reversal of 675634436579 is 975634436576.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675634436579 is a prime.

It is not a weakly prime, because it can be changed into another prime (675634436779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337817218289 + 337817218290.

It is an arithmetic number, because the mean of its divisors is an integer number (337817218290).

Almost surely, 2^675634436579 is an apocalyptic number.

675634436579 is a deficient number, since it is larger than the sum of its proper divisors (1).

675634436579 is an equidigital number, since it uses as much as digits as its factorization.

675634436579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 342921600, while the sum is 65.

The spelling of 675634436579 in words is "six hundred seventy-five billion, six hundred thirty-four million, four hundred thirty-six thousand, five hundred seventy-nine".