6938271438 has 32 divisors (see below), whose sum is σ = 16791784704. Its totient is φ = 1865753472.

The previous prime is 6938271419. The next prime is 6938271467. The reversal of 6938271438 is 8341728396.

It is a super-2 number, since 2×6938271438² = 96279221094733175688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4858020 + ... + 4859447.

It is an arithmetic number, because the mean of its divisors is an integer number (524743272).

Almost surely, 2^6938271438 is an apocalyptic number.

6938271438 is an abundant number, since it is smaller than the sum of its proper divisors (9853513266).

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

6938271438 is a wasteful number, since it uses less digits than its factorization.

6938271438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717496.

The product of its digits is 1741824, while the sum is 51.

The square root of 6938271438 is about 83296.2870601085. The cubic root of 6938271438 is about 1907.2915970651.

The spelling of 6938271438 in words is "six billion, nine hundred thirty-eight million, two hundred seventy-one thousand, four hundred thirty-eight".