3559156401 has 4 divisors (see below), whose sum is σ = 4745541872. Its totient is φ = 2372770932.

The previous prime is 3559156387. The next prime is 3559156409. The reversal of 3559156401 is 1046519553.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1046519553 = 3 ⋅348839851.

It is not a de Polignac number, because 3559156401 - 2²³ = 3550767793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3559156401.

It is not an unprimeable number, because it can be changed into a prime (3559156409) 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, 593192731 + ... + 593192736.

It is an arithmetic number, because the mean of its divisors is an integer number (1186385468).

Almost surely, 2^3559156401 is an apocalyptic number.

It is an amenable number.

3559156401 is a deficient number, since it is larger than the sum of its proper divisors (1186385471).

3559156401 is a wasteful number, since it uses less digits than its factorization.

3559156401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186385470.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 3559156401 is about 59658.6657661735. The cubic root of 3559156401 is about 1526.8007252836.

The spelling of 3559156401 in words is "three billion, five hundred fifty-nine million, one hundred fifty-six thousand, four hundred one".