2154601388 has 12 divisors (see below), whose sum is σ = 3795859200. Its totient is φ = 1070070192.

The previous prime is 2154601367. The next prime is 2154601433. The reversal of 2154601388 is 8831064512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806956 + ... + 1808147.

It is an arithmetic number, because the mean of its divisors is an integer number (316321600).

Almost surely, 2^2154601388 is an apocalyptic number.

It is an amenable number.

2154601388 is a deficient number, since it is larger than the sum of its proper divisors (1641257812).

2154601388 is a wasteful number, since it uses less digits than its factorization.

2154601388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615256 (or 3615254 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 2154601388 is about 46417.6840008202. The cubic root of 2154601388 is about 1291.5829750913.

The spelling of 2154601388 in words is "two billion, one hundred fifty-four million, six hundred one thousand, three hundred eighty-eight".