961719532929 has 27 divisors (see below), whose sum is σ = 1402479506883. Its totient is φ = 635052453264.

The previous prime is 961719532901. The next prime is 961719532931. The reversal of 961719532929 is 929235917169.

The square root of 961719532929 is 980673.

It is a perfect power (a square), and thus also a powerful number.

961719532929 is a `hidden beast` number, since 9 + 6 + 1 + 7 + 1 + 9 + 532 + 92 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 670313900529 + 291405632400 = 818727^2 + 539820^2 .

It is not a de Polignac number, because 961719532929 - 2⁵ = 961719532897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (961719572929) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 320678572 + ... + 320681570.

Almost surely, 2^961719532929 is an apocalyptic number.

961719532929 is the 980673-rd square number.

961719532929 is the 490337-th centered octagonal number.

It is an amenable number.

961719532929 is a deficient number, since it is larger than the sum of its proper divisors (440759973954).

961719532929 is an frugal number, since it uses more digits than its factorization.

961719532929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222 (or 3111 counting only the distinct ones).

The product of its digits is 16533720, while the sum is 63.

The spelling of 961719532929 in words is "nine hundred sixty-one billion, seven hundred nineteen million, five hundred thirty-two thousand, nine hundred twenty-nine".