13491425906 has 16 divisors (see below), whose sum is σ = 23147937600. Its totient is φ = 5777094960.

The previous prime is 13491425891. The next prime is 13491425923. The reversal of 13491425906 is 60952419431.

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, 395081 + ... + 427868.

It is an arithmetic number, because the mean of its divisors is an integer number (1446746100).

Almost surely, 2^13491425906 is an apocalyptic number.

13491425906 is a deficient number, since it is larger than the sum of its proper divisors (9656511694).

13491425906 is a wasteful number, since it uses less digits than its factorization.

13491425906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824129.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 13491425906 in words is "thirteen billion, four hundred ninety-one million, four hundred twenty-five thousand, nine hundred six".