961598380004 has 12 divisors (see below), whose sum is σ = 1705849181484. Its totient is φ = 474212899584.

The previous prime is 961598379977. The next prime is 961598380021. The reversal of 961598380004 is 400083895169.

It can be written as a sum of positive squares in 2 ways, for example, as 743044000000 + 218554380004 = 862000^2 + 467498^2 .

It is a super-4 number, since 4×961598380004⁴ (a number of 49 digits) contains 4444 as substring.

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, 1646572277 + ... + 1646572860.

It is an arithmetic number, because the mean of its divisors is an integer number (142154098457).

Almost surely, 2^961598380004 is an apocalyptic number.

It is an amenable number.

961598380004 is a deficient number, since it is larger than the sum of its proper divisors (744250801480).

961598380004 is a wasteful number, since it uses less digits than its factorization.

961598380004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293145214 (or 3293145212 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 961598380004 in words is "nine hundred sixty-one billion, five hundred ninety-eight million, three hundred eighty thousand, four".