361340244065 has 4 divisors (see below), whose sum is σ = 433608292884. Its totient is φ = 289072195248.

The previous prime is 361340244059. The next prime is 361340244071. The reversal of 361340244065 is 560442043163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560442043163 = 877 ⋅639044519.

It is an interprime number because it is at equal distance from previous prime (361340244059) and next prime (361340244071).

It can be written as a sum of positive squares in 2 ways, for example, as 90374188129 + 270966055936 = 300623^2 + 520544^2 .

It is a cyclic number.

It is not a de Polignac number, because 361340244065 - 2¹² = 361340239969 is a prime.

It is a super-3 number, since 3×361340244065³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36134024402 + ... + 36134024411.

It is an arithmetic number, because the mean of its divisors is an integer number (108402073221).

Almost surely, 2^361340244065 is an apocalyptic number.

It is an amenable number.

361340244065 is a deficient number, since it is larger than the sum of its proper divisors (72268048819).

361340244065 is an equidigital number, since it uses as much as digits as its factorization.

361340244065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72268048818.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 361340244065 in words is "three hundred sixty-one billion, three hundred forty million, two hundred forty-four thousand, sixty-five".