14742511507 has 4 divisors (see below), whose sum is σ = 14742757800. Its totient is φ = 14742265216.

The previous prime is 14742511493. The next prime is 14742511513. The reversal of 14742511507 is 70511524741.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14742511507 is a prime.

It is a super-2 number, since 2×14742511507² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14742511547) 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, 30744 + ... + 174442.

It is an arithmetic number, because the mean of its divisors is an integer number (3685689450).

Almost surely, 2^14742511507 is an apocalyptic number.

14742511507 is a deficient number, since it is larger than the sum of its proper divisors (246293).

14742511507 is a wasteful number, since it uses less digits than its factorization.

14742511507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246292.

The product of its (nonzero) digits is 39200, while the sum is 37.

The spelling of 14742511507 in words is "fourteen billion, seven hundred forty-two million, five hundred eleven thousand, five hundred seven".