4971438837 has 12 divisors (see below), whose sum is σ = 7186495264. Its totient is φ = 3311741160.

The previous prime is 4971438827. The next prime is 4971438869. The reversal of 4971438837 is 7388341794.

4971438837 is a `hidden beast` number, since 497 + 1 + 43 + 88 + 37 = 666.

It is not a de Polignac number, because 4971438837 - 2⁸ = 4971438581 is a prime.

It is a super-2 number, since 2×4971438837² = 49430408220063825138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971438827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200239 + ... + 223692.

Almost surely, 2^4971438837 is an apocalyptic number.

It is an amenable number.

4971438837 is a deficient number, since it is larger than the sum of its proper divisors (2215056427).

4971438837 is a wasteful number, since it uses less digits than its factorization.

4971438837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425240 (or 425237 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 4971438837 is about 70508.4309639635. The cubic root of 4971438837 is about 1706.7138006078.

The spelling of 4971438837 in words is "four billion, nine hundred seventy-one million, four hundred thirty-eight thousand, eight hundred thirty-seven".