61323802536959 has 4 divisors (see below), whose sum is σ = 61323851158416. Its totient is φ = 61323753915504.

The previous prime is 61323802536949. The next prime is 61323802536973. The reversal of 61323802536959 is 95963520832316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61323802536959 - 2²⁸ = 61323534101503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61323802536949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22367054 + ... + 24958619.

It is an arithmetic number, because the mean of its divisors is an integer number (15330962789604).

Almost surely, 2^{61323802536959} is an apocalyptic number.

61323802536959 is a deficient number, since it is larger than the sum of its proper divisors (48621457).

61323802536959 is a wasteful number, since it uses less digits than its factorization.

61323802536959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48621456.

The product of its (nonzero) digits is 62985600, while the sum is 62.

The spelling of 61323802536959 in words is "sixty-one trillion, three hundred twenty-three billion, eight hundred two million, five hundred thirty-six thousand, nine hundred fifty-nine".