2938731797 has 4 divisors (see below), whose sum is σ = 2955718860. Its totient is φ = 2921744736.

The previous prime is 2938731751. The next prime is 2938731799. The reversal of 2938731797 is 7971378392.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2307265156 + 631466641 = 48034^2 + 25129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938731797 - 2¹⁴ = 2938715413 is a prime.

It is a super-2 number, since 2×2938731797² = 17272289149397698418, 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 (2938731799) 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, 8493272 + ... + 8493617.

It is an arithmetic number, because the mean of its divisors is an integer number (738929715).

Almost surely, 2^2938731797 is an apocalyptic number.

It is an amenable number.

2938731797 is a deficient number, since it is larger than the sum of its proper divisors (16987063).

2938731797 is a wasteful number, since it uses less digits than its factorization.

2938731797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16987062.

The product of its digits is 4000752, while the sum is 56.

The square root of 2938731797 is about 54210.0709923903. The cubic root of 2938731797 is about 1432.3637365298.

The spelling of 2938731797 in words is "two billion, nine hundred thirty-eight million, seven hundred thirty-one thousand, seven hundred ninety-seven".