1373682232638 has 24 divisors (see below), whose sum is σ = 3151388652048. Its totient is φ = 430959131712.

The previous prime is 1373682232627. The next prime is 1373682232661. The reversal of 1373682232638 is 8362322863731.

1373682232638 is a `hidden beast` number, since 1 + 3 + 7 + 368 + 223 + 26 + 38 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2244578506 + ... + 2244579117.

It is an arithmetic number, because the mean of its divisors is an integer number (131307860502).

Almost surely, 2^{1373682232638} is an apocalyptic number.

1373682232638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1373682232638 is an abundant number, since it is smaller than the sum of its proper divisors (1777706419410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373682232638 is a wasteful number, since it uses less digits than its factorization.

1373682232638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489157648 (or 4489157645 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 1373682232638 in words is "one trillion, three hundred seventy-three billion, six hundred eighty-two million, two hundred thirty-two thousand, six hundred thirty-eight".