424181893538 has 16 divisors (see below), whose sum is σ = 685576301760. Its totient is φ = 195673573776.

The previous prime is 424181893507. The next prime is 424181893609. The reversal of 424181893538 is 835398181424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4227998 + ... + 4327161.

It is an arithmetic number, because the mean of its divisors is an integer number (42848518860).

Almost surely, 2^424181893538 is an apocalyptic number.

424181893538 is a deficient number, since it is larger than the sum of its proper divisors (261394408222).

424181893538 is a wasteful number, since it uses less digits than its factorization.

424181893538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557081.

The product of its digits is 6635520, while the sum is 56.

The spelling of 424181893538 in words is "four hundred twenty-four billion, one hundred eighty-one million, eight hundred ninety-three thousand, five hundred thirty-eight".