13770289638 has 48 divisors (see below), whose sum is σ = 34105833216. Its totient is φ = 3933448560.

The previous prime is 13770289619. The next prime is 13770289657. The reversal of 13770289638 is 83698207731.

It is an interprime number because it is at equal distance from previous prime (13770289619) and next prime (13770289657).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674245 + ... + 694367.

It is an arithmetic number, because the mean of its divisors is an integer number (710538192).

Almost surely, 2^13770289638 is an apocalyptic number.

13770289638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13770289638 is an abundant number, since it is smaller than the sum of its proper divisors (20335543578).

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

13770289638 is a wasteful number, since it uses less digits than its factorization.

13770289638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25569 (or 25566 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 13770289638 in words is "thirteen billion, seven hundred seventy million, two hundred eighty-nine thousand, six hundred thirty-eight".