7238251138538 has 8 divisors (see below), whose sum is σ = 12408430523232. Its totient is φ = 3102107630796.

The previous prime is 7238251138519. The next prime is 7238251138549. The reversal of 7238251138538 is 8358311528327.

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

It is a super-3 number, since 3×7238251138538³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258508969220 + ... + 258508969247.

It is an arithmetic number, because the mean of its divisors is an integer number (1551053815404).

Almost surely, 2^{7238251138538} is an apocalyptic number.

7238251138538 is a deficient number, since it is larger than the sum of its proper divisors (5170179384694).

7238251138538 is a wasteful number, since it uses less digits than its factorization.

7238251138538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517017938476.

The product of its digits is 9676800, while the sum is 56.

The spelling of 7238251138538 in words is "seven trillion, two hundred thirty-eight billion, two hundred fifty-one million, one hundred thirty-eight thousand, five hundred thirty-eight".