2154469036 has 24 divisors (see below), whose sum is σ = 3804953040. Its totient is φ = 1067384832.

The previous prime is 2154468991. The next prime is 2154469043. The reversal of 2154469036 is 6309644512.

It is a self number, because there is not a number n which added to its sum of digits gives 2154469036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192975 + ... + 203833.

It is an arithmetic number, because the mean of its divisors is an integer number (158539710).

Almost surely, 2^2154469036 is an apocalyptic number.

It is an amenable number.

2154469036 is a deficient number, since it is larger than the sum of its proper divisors (1650484004).

2154469036 is a wasteful number, since it uses less digits than its factorization.

2154469036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11313 (or 11311 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2154469036 is about 46416.2583153791. The cubic root of 2154469036 is about 1291.5565282674.

The spelling of 2154469036 in words is "two billion, one hundred fifty-four million, four hundred sixty-nine thousand, thirty-six".