2315138747364 has 189 divisors, whose sum is σ = 6415321518963. Its totient is φ = 730603461744.

The previous prime is 2315138747333. The next prime is 2315138747381. The reversal of 2315138747364 is 4637478315132.

The square root of 2315138747364 is 1521558.

It is a perfect power (a square), and thus also a powerful number.

2315138747364 is a `hidden beast` number, since 2 + 3 + 1 + 513 + 87 + 47 + 3 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2315138747364.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1561117767 + ... + 1561119249.

Almost surely, 2^{2315138747364} is an apocalyptic number.

2315138747364 is the 1521558-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315138747364

2315138747364 is an abundant number, since it is smaller than the sum of its proper divisors (4100182771599).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2315138747364 is an frugal number, since it uses more digits than its factorization.

2315138747364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026 (or 1507 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 2315138747364 in words is "two trillion, three hundred fifteen billion, one hundred thirty-eight million, seven hundred forty-seven thousand, three hundred sixty-four".