14739659649 has 81 divisors (see below), whose sum is σ = 25430579811. Its totient is φ = 8216825760.

The previous prime is 14739659647. The next prime is 14739659653. The reversal of 14739659649 is 94695693741.

The square root of 14739659649 is 121407.

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

14739659649 is a `hidden beast` number, since 1 + 4 + 7 + 39 + 6 + 596 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2180423025 + 12559236624 = 46695^2 + 112068^2 .

It is not a de Polignac number, because 14739659649 - 2¹ = 14739659647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14739659647) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 52083462 + ... + 52083744.

Almost surely, 2^14739659649 is an apocalyptic number.

14739659649 is the 121407-th square number.

14739659649 is the 60704-th centered octagonal number.

It is an amenable number.

14739659649 is a deficient number, since it is larger than the sum of its proper divisors (10690920162).

14739659649 is a wasteful number, since it uses less digits than its factorization.

14739659649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 310 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 14739659649 in words is "fourteen billion, seven hundred thirty-nine million, six hundred fifty-nine thousand, six hundred forty-nine".