4971139740 has 72 divisors (see below), whose sum is σ = 17233288800. Its totient is φ = 1136260224.

The previous prime is 4971139729. The next prime is 4971139759. The reversal of 4971139740 is 479311794.

4971139740 is a `hidden beast` number, since 497 + 113 + 9 + 7 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1971415 + ... + 1973934.

Almost surely, 2^4971139740 is an apocalyptic number.

It is an amenable number.

4971139740 is an abundant number, since it is smaller than the sum of its proper divisors (12262149060).

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

4971139740 is a wasteful number, since it uses less digits than its factorization.

4971139740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945371 (or 3945366 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 4971139740 is about 70506.3099303885. The cubic root of 4971139740 is about 1706.6795728767.

The spelling of 4971139740 in words is "four billion, nine hundred seventy-one million, one hundred thirty-nine thousand, seven hundred forty".