6321398153 has 8 divisors (see below), whose sum is σ = 7224936960. Its totient is φ = 5417979840.

The previous prime is 6321398147. The next prime is 6321398179. The reversal of 6321398153 is 3518931236.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6321398153 - 2³⁰ = 5247656329 is a prime.

It is a super-2 number, since 2×6321398153² = 79920149217503622818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6321398153.

It is not an unprimeable number, because it can be changed into a prime (6321398143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180488 + ... + 212646.

It is an arithmetic number, because the mean of its divisors is an integer number (903117120).

Almost surely, 2^6321398153 is an apocalyptic number.

It is an amenable number.

6321398153 is a deficient number, since it is larger than the sum of its proper divisors (903538807).

6321398153 is a wasteful number, since it uses less digits than its factorization.

6321398153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60247.

The product of its digits is 116640, while the sum is 41.

The square root of 6321398153 is about 79507.2207601297. The cubic root of 6321398153 is about 1849.0034226361.

The spelling of 6321398153 in words is "six billion, three hundred twenty-one million, three hundred ninety-eight thousand, one hundred fifty-three".