15342544401 has 4 divisors (see below), whose sum is σ = 20456725872. Its totient is φ = 10228362932.

The previous prime is 15342544379. The next prime is 15342544423. The reversal of 15342544401 is 10444524351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (15342544379) and next prime (15342544423).

It is a cyclic number.

It is not a de Polignac number, because 15342544401 - 2⁹ = 15342543889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15342544001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557090731 + ... + 2557090736.

It is an arithmetic number, because the mean of its divisors is an integer number (5114181468).

Almost surely, 2^15342544401 is an apocalyptic number.

It is an amenable number.

15342544401 is a deficient number, since it is larger than the sum of its proper divisors (5114181471).

15342544401 is an equidigital number, since it uses as much as digits as its factorization.

15342544401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114181470.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 15342544401 in words is "fifteen billion, three hundred forty-two million, five hundred forty-four thousand, four hundred one".