15479401401 has 10 divisors (see below), whose sum is σ = 23123550362. Its totient is φ = 10319600880.

The previous prime is 15479401351. The next prime is 15479401409. The reversal of 15479401401 is 10410497451.

15479401401 is a `hidden beast` number, since 1 + 5 + 479 + 40 + 140 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15450241401 + 29160000 = 124299^2 + 5400^2 .

It is not a de Polignac number, because 15479401401 - 2⁹ = 15479400889 is a prime.

It is a super-2 number, since 2×15479401401² (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 (15479401409) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 95551780 + ... + 95551941.

Almost surely, 2^15479401401 is an apocalyptic number.

It is an amenable number.

15479401401 is a deficient number, since it is larger than the sum of its proper divisors (7644148961).

15479401401 is an equidigital number, since it uses as much as digits as its factorization.

15479401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191103733 (or 191103724 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

Adding to 15479401401 its reverse (10410497451), we get a palindrome (25889898852).

The spelling of 15479401401 in words is "fifteen billion, four hundred seventy-nine million, four hundred one thousand, four hundred one".