851174049 has 8 divisors (see below), whose sum is σ = 1238071392. Its totient is φ = 515863040.

The previous prime is 851174033. The next prime is 851174069. The reversal of 851174049 is 940471158.

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

It is not a de Polignac number, because 851174049 - 2⁴ = 851174033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 851173998 and 851174016.

It is not an unprimeable number, because it can be changed into a prime (851174069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12896544 + ... + 12896609.

It is an arithmetic number, because the mean of its divisors is an integer number (154758924).

Almost surely, 2^851174049 is an apocalyptic number.

It is an amenable number.

851174049 is a deficient number, since it is larger than the sum of its proper divisors (386897343).

851174049 is a wasteful number, since it uses less digits than its factorization.

851174049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25793167.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 851174049 is about 29174.8873005535. The cubic root of 851174049 is about 947.7041696085.

The spelling of 851174049 in words is "eight hundred fifty-one million, one hundred seventy-four thousand, forty-nine".