1613898432 has 70 divisors (see below), whose sum is σ = 4784115908. Its totient is φ = 537964416.

The previous prime is 1613898413. The next prime is 1613898439. The reversal of 1613898432 is 2348983161.

1613898432 is a `hidden beast` number, since 161 + 389 + 84 + 32 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1613898439) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 150478 + ... + 160845.

Almost surely, 2^1613898432 is an apocalyptic number.

1613898432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1613898432 is an abundant number, since it is smaller than the sum of its proper divisors (3170217476).

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

1613898432 is an equidigital number, since it uses as much as digits as its factorization.

1613898432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311347 (or 311328 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1613898432 is about 40173.3547516261. The cubic root of 1613898432 is about 1172.9839415388.

The spelling of 1613898432 in words is "one billion, six hundred thirteen million, eight hundred ninety-eight thousand, four hundred thirty-two".