1931494904641 has 8 divisors (see below), whose sum is σ = 1939562463744. Its totient is φ = 1923434259840.

The previous prime is 1931494904597. The next prime is 1931494904681. The reversal of 1931494904641 is 1464094941391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1931494904641 - 2²⁹ = 1930958033729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1931494904681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168336 + ... + 2286481.

It is an arithmetic number, because the mean of its divisors is an integer number (242445307968).

Almost surely, 2^{1931494904641} is an apocalyptic number.

It is an amenable number.

1931494904641 is a deficient number, since it is larger than the sum of its proper divisors (8067559103).

1931494904641 is a wasteful number, since it uses less digits than its factorization.

1931494904641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457151.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 1931494904641 in words is "one trillion, nine hundred thirty-one billion, four hundred ninety-four million, nine hundred four thousand, six hundred forty-one".