15448602813 has 16 divisors (see below), whose sum is σ = 23644439040. Its totient is φ = 8788881456.

The previous prime is 15448602779. The next prime is 15448602833. The reversal of 15448602813 is 31820684451.

It is a happy number.

It is not a de Polignac number, because 15448602813 - 2²² = 15444408509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15448602833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615603 + ... + 1625136.

It is an arithmetic number, because the mean of its divisors is an integer number (1477777440).

Almost surely, 2^15448602813 is an apocalyptic number.

It is an amenable number.

15448602813 is a deficient number, since it is larger than the sum of its proper divisors (8195836227).

15448602813 is a wasteful number, since it uses less digits than its factorization.

15448602813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240976.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 15448602813 in words is "fifteen billion, four hundred forty-eight million, six hundred two thousand, eight hundred thirteen".