7315012618384 has 45 divisors (see below), whose sum is σ = 14230016721291. Its totient is φ = 3642809360640.

The previous prime is 7315012618369. The next prime is 7315012618387. The reversal of 7315012618384 is 4838162105137.

The square root of 7315012618384 is 2704628.

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

It can be written as a sum of positive squares in 4 ways, for example, as 3957791936400 + 3357220681984 = 1989420^2 + 1832272^2 .

It is a super-2 number, since 2×7315012618384² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7315012618387) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2996726604 + ... + 2996729044.

Almost surely, 2^{7315012618384} is an apocalyptic number.

7315012618384 is the 2704628-th square number.

It is an amenable number.

7315012618384 is a deficient number, since it is larger than the sum of its proper divisors (6915004102907).

7315012618384 is an frugal number, since it uses more digits than its factorization.

7315012618384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

Multiplying 7315012618384 by its sum of digits (49), we get a square (358435618300816 = 18932396²).

The spelling of 7315012618384 in words is "seven trillion, three hundred fifteen billion, twelve million, six hundred eighteen thousand, three hundred eighty-four".