2364720521138 has 4 divisors (see below), whose sum is σ = 3547080781710. Its totient is φ = 1182360260568.

The previous prime is 2364720521089. The next prime is 2364720521153. The reversal of 2364720521138 is 8311250274632.

2364720521138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2265919058209 + 98801462929 = 1505297^2 + 314327^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591180130283 + ... + 591180130286.

Almost surely, 2^{2364720521138} is an apocalyptic number.

2364720521138 is a deficient number, since it is larger than the sum of its proper divisors (1182360260572).

2364720521138 is a wasteful number, since it uses less digits than its factorization.

2364720521138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182360260571.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 2364720521138 in words is "two trillion, three hundred sixty-four billion, seven hundred twenty million, five hundred twenty-one thousand, one hundred thirty-eight".