851337412 has 6 divisors (see below), whose sum is σ = 1489840478. Its totient is φ = 425668704.

The previous prime is 851337371. The next prime is 851337439. The reversal of 851337412 is 214733158.

It can be written as a sum of positive squares in only one way, i.e., 573315136 + 278022276 = 23944^2 + 16674^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106417173 + ... + 106417180.

Almost surely, 2^851337412 is an apocalyptic number.

It is an amenable number.

851337412 is a deficient number, since it is larger than the sum of its proper divisors (638503066).

851337412 is a wasteful number, since it uses less digits than its factorization.

851337412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212834357 (or 212834355 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 851337412 is about 29177.6868857009. The cubic root of 851337412 is about 947.7647956316.

The spelling of 851337412 in words is "eight hundred fifty-one million, three hundred thirty-seven thousand, four hundred twelve".