14950618759609 has 27 divisors (see below), whose sum is σ = 16576775129133. Its totient is φ = 13477678879392.

The previous prime is 14950618759603. The next prime is 14950618759663. The reversal of 14950618759609 is 90695781605941.

It is a happy number.

The square root of 14950618759609 is 3866603.

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

It can be written as a sum of positive squares in 4 ways, for example, as 852396102009 + 14098222657600 = 923253^2 + 3754760^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14950618759609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14950618759603) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2161427619 + ... + 2161434535.

Almost surely, 2^{14950618759609} is an apocalyptic number.

14950618759609 is the 3866603-rd square number.

14950618759609 is the 1933302-nd centered octagonal number.

It is an amenable number.

14950618759609 is a deficient number, since it is larger than the sum of its proper divisors (1626156369524).

14950618759609 is an frugal number, since it uses more digits than its factorization.

14950618759609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13946 (or 6973 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 70.

The spelling of 14950618759609 in words is "fourteen trillion, nine hundred fifty billion, six hundred eighteen million, seven hundred fifty-nine thousand, six hundred nine".