961598380058 has 4 divisors (see below), whose sum is σ = 1442397570090. Its totient is φ = 480799190028.

The previous prime is 961598380027. The next prime is 961598380069. The reversal of 961598380058 is 850083895169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 850083895169 = 5479 ⋅155153111.

It can be written as a sum of positive squares in only one way, i.e., 689044427569 + 272553952489 = 830087^2 + 522067^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240399595013 + ... + 240399595016.

Almost surely, 2^961598380058 is an apocalyptic number.

961598380058 is a deficient number, since it is larger than the sum of its proper divisors (480799190032).

961598380058 is a wasteful number, since it uses less digits than its factorization.

961598380058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480799190031.

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 961598380058 in words is "nine hundred sixty-one billion, five hundred ninety-eight million, three hundred eighty thousand, fifty-eight".