947494945674 has 24 divisors (see below), whose sum is σ = 2123695569060. Its totient is φ = 304940901888.

The previous prime is 947494945667. The next prime is 947494945693. The reversal of 947494945674 is 476549494749.

947494945674 is a `hidden beast` number, since 9 + 4 + 74 + 9 + 494 + 5 + 67 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 896606353449 + 50888592225 = 946893^2 + 225585^2 .

It is a super-2 number, since 2×947494945674² (a number of 25 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907561687 + ... + 907562730.

Almost surely, 2^947494945674 is an apocalyptic number.

947494945674 is an abundant number, since it is smaller than the sum of its proper divisors (1176200623386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947494945674 is a wasteful number, since it uses less digits than its factorization.

947494945674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815124454 (or 1815124451 counting only the distinct ones).

The product of its digits is 1097349120, while the sum is 72.

The spelling of 947494945674 in words is "nine hundred forty-seven billion, four hundred ninety-four million, nine hundred forty-five thousand, six hundred seventy-four".