13403747506 has 16 divisors (see below), whose sum is σ = 20165277600. Its totient is φ = 6682017888.

The previous prime is 13403747477. The next prime is 13403747519. The reversal of 13403747506 is 60574730431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998185 + ... + 1011523.

It is an arithmetic number, because the mean of its divisors is an integer number (1260329850).

Almost surely, 2^13403747506 is an apocalyptic number.

13403747506 is a deficient number, since it is larger than the sum of its proper divisors (6761530094).

13403747506 is a wasteful number, since it uses less digits than its factorization.

13403747506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14793.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 13403747506 in words is "thirteen billion, four hundred three million, seven hundred forty-seven thousand, five hundred six".