424602189891 has 32 divisors (see below), whose sum is σ = 686438403840. Its totient is φ = 257254920000.

The previous prime is 424602189889. The next prime is 424602189937. The reversal of 424602189891 is 198981206424.

It is a happy number.

424602189891 is a `hidden beast` number, since 4 + 2 + 460 + 2 + 1 + 8 + 98 + 91 = 666.

It is not a de Polignac number, because 424602189891 - 2¹ = 424602189889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424602189881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745671 + ... + 1185423.

It is an arithmetic number, because the mean of its divisors is an integer number (21451200120).

Almost surely, 2^424602189891 is an apocalyptic number.

424602189891 is a deficient number, since it is larger than the sum of its proper divisors (261836213949).

424602189891 is a wasteful number, since it uses less digits than its factorization.

424602189891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443024 (or 443018 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 424602189891 in words is "four hundred twenty-four billion, six hundred two million, one hundred eighty-nine thousand, eight hundred ninety-one".