1961479624535 has 16 divisors (see below), whose sum is σ = 2427383738880. Its totient is φ = 1520860766880.

The previous prime is 1961479624523. The next prime is 1961479624571. The reversal of 1961479624535 is 5354269741691.

It is not a de Polignac number, because 1961479624535 - 2²² = 1961475430231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46803587 + ... + 46845476.

It is an arithmetic number, because the mean of its divisors is an integer number (151711483680).

Almost surely, 2^{1961479624535} is an apocalyptic number.

1961479624535 is a deficient number, since it is larger than the sum of its proper divisors (465904114345).

1961479624535 is an equidigital number, since it uses as much as digits as its factorization.

1961479624535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93649198.

The product of its digits is 48988800, while the sum is 62.

The spelling of 1961479624535 in words is "one trillion, nine hundred sixty-one billion, four hundred seventy-nine million, six hundred twenty-four thousand, five hundred thirty-five".