2151451084 has 12 divisors (see below), whose sum is σ = 3766150864. Its totient is φ = 1075407984.

The previous prime is 2151451069. The next prime is 2151451117. The reversal of 2151451084 is 4801541512.

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, 63807 + ... + 91510.

Almost surely, 2^2151451084 is an apocalyptic number.

It is an amenable number.

2151451084 is a deficient number, since it is larger than the sum of its proper divisors (1614699780).

2151451084 is a wasteful number, since it uses less digits than its factorization.

2151451084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158784 (or 158782 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 2151451084 is about 46383.7372793526. The cubic root of 2151451084 is about 1290.9531813047.

Adding to 2151451084 its reverse (4801541512), we get a palindrome (6952992596).

The spelling of 2151451084 in words is "two billion, one hundred fifty-one million, four hundred fifty-one thousand, eighty-four".