851451950 has 36 divisors (see below), whose sum is σ = 1655602368. Its totient is φ = 325762800.

The previous prime is 851451941. The next prime is 851451971. The reversal of 851451950 is 59154158.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10355 + ... + 42545.

Almost surely, 2^851451950 is an apocalyptic number.

851451950 is a deficient number, since it is larger than the sum of its proper divisors (804150418).

851451950 is a wasteful number, since it uses less digits than its factorization.

851451950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32249 (or 32221 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 851451950 is about 29179.6495866554. The cubic root of 851451950 is about 947.8072974703.

The spelling of 851451950 in words is "eight hundred fifty-one million, four hundred fifty-one thousand, nine hundred fifty".