13972572046 has 4 divisors (see below), whose sum is σ = 20958858072. Its totient is φ = 6986286022.

The previous prime is 13972572023. The next prime is 13972572083. The reversal of 13972572046 is 64027527931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64027527931 = 8893 ⋅7199767.

It is a super-2 number, since 2×13972572046² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13972571987 and 13972572005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493143010 + ... + 3493143013.

It is an arithmetic number, because the mean of its divisors is an integer number (5239714518).

Almost surely, 2^13972572046 is an apocalyptic number.

13972572046 is a deficient number, since it is larger than the sum of its proper divisors (6986286026).

13972572046 is an equidigital number, since it uses as much as digits as its factorization.

13972572046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986286025.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 13972572046 in words is "thirteen billion, nine hundred seventy-two million, five hundred seventy-two thousand, forty-six".