652264431987 has 8 divisors (see below), whose sum is σ = 993926753536. Its totient is φ = 372722532552.

The previous prime is 652264431953. The next prime is 652264432009. The reversal of 652264431987 is 789134462256.

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

It is not a de Polignac number, because 652264431987 - 2¹⁵ = 652264399219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652264431487) 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, 15530105503 + ... + 15530105544.

It is an arithmetic number, because the mean of its divisors is an integer number (124240844192).

Almost surely, 2^652264431987 is an apocalyptic number.

652264431987 is a deficient number, since it is larger than the sum of its proper divisors (341662321549).

652264431987 is a wasteful number, since it uses less digits than its factorization.

652264431987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31060211057.

The product of its digits is 17418240, while the sum is 57.

The spelling of 652264431987 in words is "six hundred fifty-two billion, two hundred sixty-four million, four hundred thirty-one thousand, nine hundred eighty-seven".