2151473434 has 8 divisors (see below), whose sum is σ = 3520592928. Its totient is φ = 977942460.

The previous prime is 2151473413. The next prime is 2151473479. The reversal of 2151473434 is 4343741512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2151473434.

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, 48897102 + ... + 48897145.

It is an arithmetic number, because the mean of its divisors is an integer number (440074116).

Almost surely, 2^2151473434 is an apocalyptic number.

2151473434 is a deficient number, since it is larger than the sum of its proper divisors (1369119494).

2151473434 is a wasteful number, since it uses less digits than its factorization.

2151473434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97794260.

The product of its digits is 40320, while the sum is 34.

The square root of 2151473434 is about 46383.9782036858. The cubic root of 2151473434 is about 1290.9576515751.

The spelling of 2151473434 in words is "two billion, one hundred fifty-one million, four hundred seventy-three thousand, four hundred thirty-four".