15479408448739 has 8 divisors (see below), whose sum is σ = 15482515320000. Its totient is φ = 15476301879552.

The previous prime is 15479408448719. The next prime is 15479408448769. The reversal of 15479408448739 is 93784480497451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15479408448739 - 2³¹ = 15477260965091 is a prime.

It is a super-2 number, since 2×15479408448739² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15479408448719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121201587 + ... + 121329235.

It is an arithmetic number, because the mean of its divisors is an integer number (1935314415000).

Almost surely, 2^{15479408448739} is an apocalyptic number.

15479408448739 is a deficient number, since it is larger than the sum of its proper divisors (3106871261).

15479408448739 is a wasteful number, since it uses less digits than its factorization.

15479408448739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151037.

The product of its (nonzero) digits is 975421440, while the sum is 73.

The spelling of 15479408448739 in words is "fifteen trillion, four hundred seventy-nine billion, four hundred eight million, four hundred forty-eight thousand, seven hundred thirty-nine".