14952908981 has 4 divisors (see below), whose sum is σ = 14958759372. Its totient is φ = 14947058592.

The previous prime is 14952908969. The next prime is 14952908989. The reversal of 14952908981 is 18980925941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18980925941 = 3511 ⋅5406131.

It can be written as a sum of positive squares in 2 ways, for example, as 5006836081 + 9946072900 = 70759^2 + 99730^2 .

It is a cyclic number.

It is not a de Polignac number, because 14952908981 - 2⁶ = 14952908917 is a prime.

It is a super-2 number, since 2×14952908981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14952908989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921360 + ... + 2926473.

It is an arithmetic number, because the mean of its divisors is an integer number (3739689843).

Almost surely, 2^14952908981 is an apocalyptic number.

It is an amenable number.

14952908981 is a deficient number, since it is larger than the sum of its proper divisors (5850391).

14952908981 is an equidigital number, since it uses as much as digits as its factorization.

14952908981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850390.

The product of its (nonzero) digits is 1866240, while the sum is 56.

The spelling of 14952908981 in words is "fourteen billion, nine hundred fifty-two million, nine hundred eight thousand, nine hundred eighty-one".