14699865049 has 9 divisors (see below), whose sum is σ = 14788048639. Its totient is φ = 14612206360.

The previous prime is 14699864999. The next prime is 14699865067. The reversal of 14699865049 is 94056899641.

The square root of 14699865049 is 121243.

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., 4711861449 + 9988003600 = 68643^2 + 99940^2 .

It is not a de Polignac number, because 14699865049 - 2⁹ = 14699864537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14699865079) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31886679 + ... + 31887139.

Almost surely, 2^14699865049 is an apocalyptic number.

14699865049 is the 121243-rd square number.

14699865049 is the 60622-nd centered octagonal number.

It is an amenable number.

14699865049 is a deficient number, since it is larger than the sum of its proper divisors (88183590).

14699865049 is an frugal number, since it uses more digits than its factorization.

14699865049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 14699865049 in words is "fourteen billion, six hundred ninety-nine million, eight hundred sixty-five thousand, forty-nine".