4937331391 has 4 divisors (see below), whose sum is σ = 4949768392. Its totient is φ = 4924894392.

The previous prime is 4937331389. The next prime is 4937331401. The reversal of 4937331391 is 1931337394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4937331391 - 2¹ = 4937331389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4937331691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6217905 + ... + 6218698.

It is an arithmetic number, because the mean of its divisors is an integer number (1237442098).

Almost surely, 2^4937331391 is an apocalyptic number.

4937331391 is a deficient number, since it is larger than the sum of its proper divisors (12437001).

4937331391 is a wasteful number, since it uses less digits than its factorization.

4937331391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437000.

The product of its digits is 183708, while the sum is 43.

The square root of 4937331391 is about 70266.1468347312. The cubic root of 4937331391 is about 1702.8017686825.

The spelling of 4937331391 in words is "four billion, nine hundred thirty-seven million, three hundred thirty-one thousand, three hundred ninety-one".