361222753873 has 4 divisors (see below), whose sum is σ = 361225049968. Its totient is φ = 361220457780.

The previous prime is 361222753849. The next prime is 361222753877. The reversal of 361222753873 is 378357222163.

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 a cyclic number.

It is not a de Polignac number, because 361222753873 - 2²¹ = 361220656721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361222753877) 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, 893211 + ... + 1232992.

It is an arithmetic number, because the mean of its divisors is an integer number (90306262492).

Almost surely, 2^361222753873 is an apocalyptic number.

It is an amenable number.

361222753873 is a deficient number, since it is larger than the sum of its proper divisors (2296095).

361222753873 is a wasteful number, since it uses less digits than its factorization.

361222753873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296094.

The product of its digits is 2540160, while the sum is 49.

The spelling of 361222753873 in words is "three hundred sixty-one billion, two hundred twenty-two million, seven hundred fifty-three thousand, eight hundred seventy-three".