10190821476961 has 4 divisors (see below), whose sum is σ = 10215737911300. Its totient is φ = 10165905042624.

The previous prime is 10190821476883. The next prime is 10190821477007. The reversal of 10190821476961 is 16967412809101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9021276559936 + 1169544917025 = 3003544^2 + 1081455^2 .

It is a cyclic number.

It is not a de Polignac number, because 10190821476961 - 2¹⁹ = 10190820952673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10190821476361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12458216556 + ... + 12458217373.

It is an arithmetic number, because the mean of its divisors is an integer number (2553934477825).

Almost surely, 2^{10190821476961} is an apocalyptic number.

It is an amenable number.

10190821476961 is a deficient number, since it is larger than the sum of its proper divisors (24916434339).

10190821476961 is an equidigital number, since it uses as much as digits as its factorization.

10190821476961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24916434338.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 10190821476961 in words is "ten trillion, one hundred ninety billion, eight hundred twenty-one million, four hundred seventy-six thousand, nine hundred sixty-one".