2938479798393 has 24 divisors (see below), whose sum is σ = 4288422738600. Its totient is φ = 1938702864384.

The previous prime is 2938479798391. The next prime is 2938479798479. The reversal of 2938479798393 is 3938979748392.

2938479798393 is a `hidden beast` number, since 2 + 9 + 384 + 7 + 9 + 79 + 83 + 93 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1224545854464 + 1713933943929 = 1106592^2 + 1309173^2 .

It is not a de Polignac number, because 2938479798393 - 2¹ = 2938479798391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2938479798391) 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, 23271453 + ... + 23397381.

It is an arithmetic number, because the mean of its divisors is an integer number (178684280775).

Almost surely, 2^{2938479798393} is an apocalyptic number.

It is an amenable number.

2938479798393 is a deficient number, since it is larger than the sum of its proper divisors (1349942940207).

2938479798393 is a wasteful number, since it uses less digits than its factorization.

2938479798393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152761 (or 152758 counting only the distinct ones).

The product of its digits is 4444263936, while the sum is 81.

The spelling of 2938479798393 in words is "two trillion, nine hundred thirty-eight billion, four hundred seventy-nine million, seven hundred ninety-eight thousand, three hundred ninety-three".