46872372538 has 8 divisors (see below), whose sum is σ = 70321227732. Its totient is φ = 23431963296.

The previous prime is 46872372517. The next prime is 46872372553. The reversal of 46872372538 is 83527327864.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31326522049 + 15545850489 = 176993^2 + 124683^2 .

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

It is a super-2 number, since 2×46872372538² (a number of 22 digits) contains 22 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, 2097595 + ... + 2119822.

Almost surely, 2^46872372538 is an apocalyptic number.

46872372538 is a deficient number, since it is larger than the sum of its proper divisors (23448855194).

46872372538 is a wasteful number, since it uses less digits than its factorization.

46872372538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222976.

The product of its digits is 13547520, while the sum is 55.

The spelling of 46872372538 in words is "forty-six billion, eight hundred seventy-two million, three hundred seventy-two thousand, five hundred thirty-eight".