2129407154 has 32 divisors (see below), whose sum is σ = 3715583616. Its totient is φ = 896353920.

The previous prime is 2129407123. The next prime is 2129407169. The reversal of 2129407154 is 4517049212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807422 + ... + 810054.

It is an arithmetic number, because the mean of its divisors is an integer number (116111988).

Almost surely, 2^2129407154 is an apocalyptic number.

2129407154 is a deficient number, since it is larger than the sum of its proper divisors (1586176462).

2129407154 is a wasteful number, since it uses less digits than its factorization.

2129407154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2129407154 is about 46145.4998239265. The cubic root of 2129407154 is about 1286.5289685777.

The spelling of 2129407154 in words is "two billion, one hundred twenty-nine million, four hundred seven thousand, one hundred fifty-four".