2938931361 has 6 divisors (see below), whose sum is σ = 4245123090. Its totient is φ = 1959287568.

The previous prime is 2938931339. The next prime is 2938931371. The reversal of 2938931361 is 1631398392.

It can be written as a sum of positive squares in only one way, i.e., 2443423761 + 495507600 = 49431^2 + 22260^2 .

It is not a de Polignac number, because 2938931361 - 2¹¹ = 2938929313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2938931371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163273956 + ... + 163273973.

It is an arithmetic number, because the mean of its divisors is an integer number (707520515).

Almost surely, 2^2938931361 is an apocalyptic number.

It is an amenable number.

2938931361 is a deficient number, since it is larger than the sum of its proper divisors (1306191729).

2938931361 is a wasteful number, since it uses less digits than its factorization.

2938931361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326547935 (or 326547932 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 2938931361 is about 54211.9116154374. The cubic root of 2938931361 is about 1432.3961588791.

The spelling of 2938931361 in words is "two billion, nine hundred thirty-eight million, nine hundred thirty-one thousand, three hundred sixty-one".