2151645310 has 32 divisors (see below), whose sum is σ = 4122640800. Its totient is φ = 806192640.

The previous prime is 2151645277. The next prime is 2151645337. The reversal of 2151645310 is 135461512.

It is a super-2 number, since 2×2151645310² = 9259155080089992200, which contains 22 as substring.

It is a congruent number.

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, 46711 + ... + 80530.

It is an arithmetic number, because the mean of its divisors is an integer number (128832525).

Almost surely, 2^2151645310 is an apocalyptic number.

2151645310 is a deficient number, since it is larger than the sum of its proper divisors (1970995490).

2151645310 is a wasteful number, since it uses less digits than its factorization.

2151645310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127356.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2151645310 is about 46385.8309185036. The cubic root of 2151645310 is about 1290.9920278193.

The spelling of 2151645310 in words is "two billion, one hundred fifty-one million, six hundred forty-five thousand, three hundred ten".