15479390003401 has 2 divisors, whose sum is σ = 15479390003402. Its totient is φ = 15479390003400.

The previous prime is 15479390003383. The next prime is 15479390003447. The reversal of 15479390003401 is 10430009397451.

It is an a-pointer prime, because the next prime (15479390003447) can be obtained adding 15479390003401 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10864433423376 + 4614956580025 = 3296124^2 + 2148245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15479390003401 is a prime.

It is a super-2 number, since 2×15479390003401² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15479390003491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7739695001700 + 7739695001701.

It is an arithmetic number, because the mean of its divisors is an integer number (7739695001701).

Almost surely, 2^{15479390003401} is an apocalyptic number.

It is an amenable number.

15479390003401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15479390003401 is an equidigital number, since it uses as much as digits as its factorization.

15479390003401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 15479390003401 in words is "fifteen trillion, four hundred seventy-nine billion, three hundred ninety million, three thousand, four hundred one".