18674369370 has 40 divisors (see below), whose sum is σ = 50213306484. Its totient is φ = 4979831616.

The previous prime is 18674369309. The next prime is 18674369407. The reversal of 18674369370 is 7396347681.

18674369370 is a `hidden beast` number, since 186 + 74 + 369 + 37 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18549622809 + 124746561 = 136197^2 + 11169^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11526579 + ... + 11528198.

Almost surely, 2^18674369370 is an apocalyptic number.

18674369370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18674369370 is an abundant number, since it is smaller than the sum of its proper divisors (31538937114).

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

18674369370 is a wasteful number, since it uses less digits than its factorization.

18674369370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23054796 (or 23054787 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 18674369370 in words is "eighteen billion, six hundred seventy-four million, three hundred sixty-nine thousand, three hundred seventy".