961395744357 has 16 divisors (see below), whose sum is σ = 1470234831360. Its totient is φ = 620255318400.

The previous prime is 961395744347. The next prime is 961395744371. The reversal of 961395744357 is 753447593169.

It is a happy number.

961395744357 is a `hidden beast` number, since 9 + 6 + 1 + 3 + 9 + 574 + 4 + 3 + 57 = 666.

It is not a de Polignac number, because 961395744357 - 2³⁰ = 960322002533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 961395744294 and 961395744303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961395744317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574309644 + ... + 574311317.

It is an arithmetic number, because the mean of its divisors is an integer number (91889676960).

Almost surely, 2^961395744357 is an apocalyptic number.

It is an amenable number.

961395744357 is a deficient number, since it is larger than the sum of its proper divisors (508839087003).

961395744357 is a wasteful number, since it uses less digits than its factorization.

961395744357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148621001 (or 1148620995 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

The spelling of 961395744357 in words is "nine hundred sixty-one billion, three hundred ninety-five million, seven hundred forty-four thousand, three hundred fifty-seven".