1961479624536 has 48 divisors (see below), whose sum is σ = 5312487445200. Its totient is φ = 653808474432.

The previous prime is 1961479624523. The next prime is 1961479624571. The reversal of 1961479624536 is 6354269741691.

It is a happy number.

1961479624536 is a `hidden beast` number, since 1 + 9 + 6 + 1 + 4 + 7 + 96 + 2 + 4 + 536 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2387230 + ... + 3101906.

It is an arithmetic number, because the mean of its divisors is an integer number (110676821775).

Almost surely, 2^{1961479624536} is an apocalyptic number.

It is an amenable number.

1961479624536 is an abundant number, since it is smaller than the sum of its proper divisors (3351007820664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1961479624536 is a wasteful number, since it uses less digits than its factorization.

1961479624536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752808 (or 752801 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 1961479624536 in words is "one trillion, nine hundred sixty-one billion, four hundred seventy-nine million, six hundred twenty-four thousand, five hundred thirty-six".