614564619949 has 24 divisors (see below), whose sum is σ = 758299822848. Its totient is φ = 494902235520.

The previous prime is 614564619923. The next prime is 614564619959. The reversal of 614564619949 is 949916465416.

It is not a de Polignac number, because 614564619949 - 2¹⁵ = 614564587181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614564619959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186237 + ... + 1124194.

It is an arithmetic number, because the mean of its divisors is an integer number (31595825952).

Almost surely, 2^614564619949 is an apocalyptic number.

It is an amenable number.

614564619949 is a deficient number, since it is larger than the sum of its proper divisors (143735202899).

614564619949 is a wasteful number, since it uses less digits than its factorization.

614564619949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311025 (or 1311018 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 64.

The spelling of 614564619949 in words is "six hundred fourteen billion, five hundred sixty-four million, six hundred nineteen thousand, nine hundred forty-nine".