15436022401 has 2 divisors, whose sum is σ = 15436022402. Its totient is φ = 15436022400.

The previous prime is 15436022387. The next prime is 15436022447. The reversal of 15436022401 is 10422063451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13888386801 + 1547635600 = 117849^2 + 39340^2 .

It is a cyclic number.

It is not a de Polignac number, because 15436022401 - 2⁵ = 15436022369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15436022401.

It is not a weakly prime, because it can be changed into another prime (15436022461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7718011200 + 7718011201.

It is an arithmetic number, because the mean of its divisors is an integer number (7718011201).

Almost surely, 2^15436022401 is an apocalyptic number.

It is an amenable number.

15436022401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15436022401 is an equidigital number, since it uses as much as digits as its factorization.

15436022401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 15436022401 its reverse (10422063451), we get a palindrome (25858085852).

The spelling of 15436022401 in words is "fifteen billion, four hundred thirty-six million, twenty-two thousand, four hundred one".