361971238159 has 4 divisors (see below), whose sum is σ = 368800884216. Its totient is φ = 355141592104.

The previous prime is 361971238147. The next prime is 361971238193. The reversal of 361971238159 is 951832179163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951832179163 = 79 ⋅12048508597.

It is a cyclic number.

It is not a de Polignac number, because 361971238159 - 2⁵ = 361971238127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361971238859) 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, 3414822949 + ... + 3414823054.

It is an arithmetic number, because the mean of its divisors is an integer number (92200221054).

Almost surely, 2^361971238159 is an apocalyptic number.

361971238159 is a deficient number, since it is larger than the sum of its proper divisors (6829646057).

361971238159 is an equidigital number, since it uses as much as digits as its factorization.

361971238159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829646056.

The product of its digits is 2449440, while the sum is 55.

The spelling of 361971238159 in words is "three hundred sixty-one billion, nine hundred seventy-one million, two hundred thirty-eight thousand, one hundred fifty-nine".