2961338538 has 32 divisors (see below), whose sum is σ = 6131381760. Its totient is φ = 952378560.

The previous prime is 2961338531. The next prime is 2961338543. The reversal of 2961338538 is 8358331692.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2961338531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267228 + ... + 278088.

It is an arithmetic number, because the mean of its divisors is an integer number (191605680).

Almost surely, 2^2961338538 is an apocalyptic number.

2961338538 is an abundant number, since it is smaller than the sum of its proper divisors (3170043222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2961338538 is a wasteful number, since it uses less digits than its factorization.

2961338538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12462.

The product of its digits is 933120, while the sum is 48.

The square root of 2961338538 is about 54418.1820534277. The cubic root of 2961338538 is about 1436.0272665607.

The spelling of 2961338538 in words is "two billion, nine hundred sixty-one million, three hundred thirty-eight thousand, five hundred thirty-eight".