239649364945 has 8 divisors (see below), whose sum is σ = 297495763560. Its totient is φ = 185108474880.

The previous prime is 239649364859. The next prime is 239649364963. The reversal of 239649364945 is 549463946932.

It can be written as a sum of positive squares in 4 ways, for example, as 14706897984 + 224942466961 = 121272^2 + 474281^2 .

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

It is not a de Polignac number, because 239649364945 - 2⁷ = 239649364817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826376976 + ... + 826377265.

It is an arithmetic number, because the mean of its divisors is an integer number (37186970445).

Almost surely, 2^239649364945 is an apocalyptic number.

It is an amenable number.

239649364945 is a deficient number, since it is larger than the sum of its proper divisors (57846398615).

239649364945 is a wasteful number, since it uses less digits than its factorization.

239649364945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652754275.

The product of its digits is 151165440, while the sum is 64.

The spelling of 239649364945 in words is "two hundred thirty-nine billion, six hundred forty-nine million, three hundred sixty-four thousand, nine hundred forty-five".