2961155974 has 16 divisors (see below), whose sum is σ = 5137429248. Its totient is φ = 1253776392.

The previous prime is 2961155971. The next prime is 2961155987. The reversal of 2961155974 is 4795511692.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961155971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273002 + ... + 1275325.

It is an arithmetic number, because the mean of its divisors is an integer number (321089328).

Almost surely, 2^2961155974 is an apocalyptic number.

2961155974 is a deficient number, since it is larger than the sum of its proper divisors (2176273274).

2961155974 is a wasteful number, since it uses less digits than its factorization.

2961155974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548419.

The product of its digits is 680400, while the sum is 49.

The square root of 2961155974 is about 54416.5046102743. The cubic root of 2961155974 is about 1435.9977560014.

The spelling of 2961155974 in words is "two billion, nine hundred sixty-one million, one hundred fifty-five thousand, nine hundred seventy-four".