52068702491 has 8 divisors (see below), whose sum is σ = 56075883024. Its totient is φ = 48061792800.

The previous prime is 52068702373. The next prime is 52068702493. The reversal of 52068702491 is 19420786025.

It is a happy number.

52068702491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52068702491 - 2²⁶ = 52001593627 is a prime.

It is a super-2 number, since 2×52068702491² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52068702493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521585 + ... + 613341.

It is an arithmetic number, because the mean of its divisors is an integer number (7009485378).

Almost surely, 2^52068702491 is an apocalyptic number.

52068702491 is a deficient number, since it is larger than the sum of its proper divisors (4007180533).

52068702491 is a wasteful number, since it uses less digits than its factorization.

52068702491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135421.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 52068702491 in words is "fifty-two billion, sixty-eight million, seven hundred two thousand, four hundred ninety-one".