2151436670 has 8 divisors (see below), whose sum is σ = 3872586024. Its totient is φ = 860574664.

The previous prime is 2151436667. The next prime is 2151436687. The reversal of 2151436670 is 766341512.

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 2151436670.

It is a congruent number.

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, 107571824 + ... + 107571843.

It is an arithmetic number, because the mean of its divisors is an integer number (484073253).

Almost surely, 2^2151436670 is an apocalyptic number.

2151436670 is a deficient number, since it is larger than the sum of its proper divisors (1721149354).

2151436670 is a wasteful number, since it uses less digits than its factorization.

2151436670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215143674.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2151436670 is about 46383.5819013582. The cubic root of 2151436670 is about 1290.9502983140.

The spelling of 2151436670 in words is "two billion, one hundred fifty-one million, four hundred thirty-six thousand, six hundred seventy".