361854820273202 has 4 divisors (see below), whose sum is σ = 542782230409806. Its totient is φ = 180927410136600.

The previous prime is 361854820273187. The next prime is 361854820273213. The reversal of 361854820273202 is 202372028458163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 340289189531041 + 21565630742161 = 18446929^2 + 4643881^2 .

It is a super-2 number, since 2×361854820273202² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90463705068299 + ... + 90463705068302.

Almost surely, 2^{361854820273202} is an apocalyptic number.

361854820273202 is a deficient number, since it is larger than the sum of its proper divisors (180927410136604).

361854820273202 is a wasteful number, since it uses less digits than its factorization.

361854820273202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180927410136603.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 361854820273202 in words is "three hundred sixty-one trillion, eight hundred fifty-four billion, eight hundred twenty million, two hundred seventy-three thousand, two hundred two".