652630837499 has 4 divisors (see below), whose sum is σ = 652633331520. Its totient is φ = 652628343480.

The previous prime is 652630837489. The next prime is 652630837501. The reversal of 652630837499 is 994738036256.

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 652630837499 - 2¹² = 652630833403 is a prime.

It is a super-2 number, since 2×652630837499² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652630837409) 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, 801419 + ... + 1395540.

It is an arithmetic number, because the mean of its divisors is an integer number (163158332880).

Almost surely, 2^652630837499 is an apocalyptic number.

652630837499 is a deficient number, since it is larger than the sum of its proper divisors (2494021).

652630837499 is a wasteful number, since it uses less digits than its factorization.

652630837499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494020.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 652630837499 in words is "six hundred fifty-two billion, six hundred thirty million, eight hundred thirty-seven thousand, four hundred ninety-nine".