614389991144 has 32 divisors (see below), whose sum is σ = 1156420452000. Its totient is φ = 306011898432.

The previous prime is 614389991143. The next prime is 614389991167. The reversal of 614389991144 is 441199983416.

It is a super-2 number, since 2×614389991144² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (614389991143) 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, 7336742 + ... + 7420010.

It is an arithmetic number, because the mean of its divisors is an integer number (36138139125).

Almost surely, 2^614389991144 is an apocalyptic number.

It is an amenable number.

614389991144 is a deficient number, since it is larger than the sum of its proper divisors (542030460856).

614389991144 is a wasteful number, since it uses less digits than its factorization.

614389991144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86817 (or 86813 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The spelling of 614389991144 in words is "six hundred fourteen billion, three hundred eighty-nine million, nine hundred ninety-one thousand, one hundred forty-four".