23535661054639 has 2 divisors, whose sum is σ = 23535661054640. Its totient is φ = 23535661054638.

The previous prime is 23535661054597. The next prime is 23535661054667. The reversal of 23535661054639 is 93645016653532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23535661054639 - 2²⁷ = 23535526836911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23535661054039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11767830527319 + 11767830527320.

It is an arithmetic number, because the mean of its divisors is an integer number (11767830527320).

Almost surely, 2^{23535661054639} is an apocalyptic number.

23535661054639 is a deficient number, since it is larger than the sum of its proper divisors (1).

23535661054639 is an equidigital number, since it uses as much as digits as its factorization.

23535661054639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488000, while the sum is 58.

The spelling of 23535661054639 in words is "twenty-three trillion, five hundred thirty-five billion, six hundred sixty-one million, fifty-four thousand, six hundred thirty-nine".