2149516674 has 48 divisors (see below), whose sum is σ = 4761469440. Its totient is φ = 700607520.

The previous prime is 2149516661. The next prime is 2149516709. The reversal of 2149516674 is 4766159412.

2149516674 is a `hidden beast` number, since 21 + 49 + 516 + 6 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197544 + ... + 208140.

It is an arithmetic number, because the mean of its divisors is an integer number (99197280).

Almost surely, 2^2149516674 is an apocalyptic number.

2149516674 is an abundant number, since it is smaller than the sum of its proper divisors (2611952766).

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

2149516674 is a wasteful number, since it uses less digits than its factorization.

2149516674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10855 (or 10852 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2149516674 is about 46362.8803462425. The cubic root of 2149516674 is about 1290.5661585534.

The spelling of 2149516674 in words is "two billion, one hundred forty-nine million, five hundred sixteen thousand, six hundred seventy-four".