614428248722 has 6 divisors (see below), whose sum is σ = 921644035893. Its totient is φ = 307213570092.

The previous prime is 614428248719. The next prime is 614428248757. The reversal of 614428248722 is 227842824416.

It can be written as a sum of positive squares in 2 ways, for example, as 581606042161 + 32822206561 = 762631^2 + 181169^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=554269.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 831404 + ... + 1385672.

Almost surely, 2^614428248722 is an apocalyptic number.

614428248722 is a deficient number, since it is larger than the sum of its proper divisors (307215787171).

614428248722 is an frugal number, since it uses more digits than its factorization.

614428248722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108540 (or 554271 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 50.

Multiplying 614428248722 by its sum of digits (50), we get a square (30721412436100 = 5542690²).

The spelling of 614428248722 in words is "six hundred fourteen billion, four hundred twenty-eight million, two hundred forty-eight thousand, seven hundred twenty-two".