2154812002 has 32 divisors (see below), whose sum is σ = 3891732480. Its totient is φ = 874132560.

The previous prime is 2154811987. The next prime is 2154812041. The reversal of 2154812002 is 2002184512.

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, 388533 + ... + 394039.

It is an arithmetic number, because the mean of its divisors is an integer number (121616640).

Almost surely, 2^2154812002 is an apocalyptic number.

2154812002 is a deficient number, since it is larger than the sum of its proper divisors (1736920478).

2154812002 is a wasteful number, since it uses less digits than its factorization.

2154812002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 2154812002 is about 46419.9526281533. The cubic root of 2154812002 is about 1291.6250581412.

Adding to 2154812002 its reverse (2002184512), we get a palindrome (4156996514).

The spelling of 2154812002 in words is "two billion, one hundred fifty-four million, eight hundred twelve thousand, two".