1372653893 has 8 divisors (see below), whose sum is σ = 1480848600. Its totient is φ = 1264831488.

The previous prime is 1372653889. The next prime is 1372653901. The reversal of 1372653893 is 3983562731.

It can be written as a sum of positive squares in 4 ways, for example, as 15984004 + 1356669889 = 3998^2 + 36833^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1372653893 - 2² = 1372653889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372653193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85388 + ... + 100181.

It is an arithmetic number, because the mean of its divisors is an integer number (185106075).

Almost surely, 2^1372653893 is an apocalyptic number.

1372653893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1372653893 is a deficient number, since it is larger than the sum of its proper divisors (108194707).

1372653893 is a wasteful number, since it uses less digits than its factorization.

1372653893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186151.

The product of its digits is 816480, while the sum is 47.

The square root of 1372653893 is about 37049.3440292807. The cubic root of 1372653893 is about 1111.3572373264.

The spelling of 1372653893 in words is "one billion, three hundred seventy-two million, six hundred fifty-three thousand, eight hundred ninety-three".