153421513994 has 48 divisors (see below), whose sum is σ = 283352116320. Its totient is φ = 61947154080.

The previous prime is 153421513979. The next prime is 153421514003. The reversal of 153421513994 is 499315124351.

It is a super-2 number, since 2×153421513994² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109409 + ... + 564635.

It is an arithmetic number, because the mean of its divisors is an integer number (5903169090).

Almost surely, 2^153421513994 is an apocalyptic number.

153421513994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

153421513994 is a deficient number, since it is larger than the sum of its proper divisors (129930602326).

153421513994 is a wasteful number, since it uses less digits than its factorization.

153421513994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455443 (or 455436 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The spelling of 153421513994 in words is "one hundred fifty-three billion, four hundred twenty-one million, five hundred thirteen thousand, nine hundred ninety-four".