4640364662231 has 2 divisors, whose sum is σ = 4640364662232. Its totient is φ = 4640364662230.

The previous prime is 4640364662209. The next prime is 4640364662233. The reversal of 4640364662231 is 1322664630464.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640364662231 is a prime.

It is a super-2 number, since 2×4640364662231² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 4640364662233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640364662233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320182331115 + 2320182331116.

It is an arithmetic number, because the mean of its divisors is an integer number (2320182331116).

Almost surely, 2^{4640364662231} is an apocalyptic number.

4640364662231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640364662231 is an equidigital number, since it uses as much as digits as its factorization.

4640364662231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 4640364662231 in words is "four trillion, six hundred forty billion, three hundred sixty-four million, six hundred sixty-two thousand, two hundred thirty-one".