52969108391 has 4 divisors (see below), whose sum is σ = 54795629400. Its totient is φ = 51142587384.

The previous prime is 52969108363. The next prime is 52969108403. The reversal of 52969108391 is 19380196925.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-52969108391 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 (52969108301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913260461 + ... + 913260518.

It is an arithmetic number, because the mean of its divisors is an integer number (13698907350).

Almost surely, 2^52969108391 is an apocalyptic number.

52969108391 is a deficient number, since it is larger than the sum of its proper divisors (1826521009).

52969108391 is a wasteful number, since it uses less digits than its factorization.

52969108391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826521008.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 52969108391 in words is "fifty-two billion, nine hundred sixty-nine million, one hundred eight thousand, three hundred ninety-one".