14947531607 has 4 divisors (see below), whose sum is σ = 14949314640. Its totient is φ = 14945748576.

The previous prime is 14947531603. The next prime is 14947531631. The reversal of 14947531607 is 70613574941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14947531607 - 2² = 14947531603 is a prime.

It is a super-2 number, since 2×14947531607² (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 (14947531601) 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, 878882 + ... + 895727.

It is an arithmetic number, because the mean of its divisors is an integer number (3737328660).

Almost surely, 2^14947531607 is an apocalyptic number.

14947531607 is a deficient number, since it is larger than the sum of its proper divisors (1783033).

14947531607 is an equidigital number, since it uses as much as digits as its factorization.

14947531607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783032.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 14947531607 in words is "fourteen billion, nine hundred forty-seven million, five hundred thirty-one thousand, six hundred seven".