14800425649 has 15 divisors (see below), whose sum is σ = 15669160827. Its totient is φ = 13979849184.

The previous prime is 14800425581. The next prime is 14800425677. The reversal of 14800425649 is 94652400841.

The square root of 14800425649 is 121657.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3991080625 + 10809345024 = 63175^2 + 103968^2 .

It is not a de Polignac number, because 14800425649 - 2²¹ = 14798328497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14800425049) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 43918009 + ... + 43918345.

Almost surely, 2^14800425649 is an apocalyptic number.

14800425649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14800425649 is the 121657-th square number.

14800425649 is the 60829-th centered octagonal number.

It is an amenable number.

14800425649 is a deficient number, since it is larger than the sum of its proper divisors (868735178).

14800425649 is an frugal number, since it uses more digits than its factorization.

14800425649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 14800425649 in words is "fourteen billion, eight hundred million, four hundred twenty-five thousand, six hundred forty-nine".