47213780474731 has 24 divisors (see below), whose sum is σ = 51478514212416. Its totient is φ = 43280993489760.

The previous prime is 47213780474719. The next prime is 47213780474801. The reversal of 47213780474731 is 13747408731274.

It is not a de Polignac number, because 47213780474731 - 2⁵ = 47213780474699 is a prime.

It is a super-2 number, since 2×47213780474731² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47213780474711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34899376 + ... + 36226978.

It is an arithmetic number, because the mean of its divisors is an integer number (2144938092184).

Almost surely, 2^{47213780474731} is an apocalyptic number.

47213780474731 is a deficient number, since it is larger than the sum of its proper divisors (4264733737685).

47213780474731 is a wasteful number, since it uses less digits than its factorization.

47213780474731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329083 (or 1329070 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 58.

The spelling of 47213780474731 in words is "forty-seven trillion, two hundred thirteen billion, seven hundred eighty million, four hundred seventy-four thousand, seven hundred thirty-one".