1931400495359 has 2 divisors, whose sum is σ = 1931400495360. Its totient is φ = 1931400495358.

The previous prime is 1931400495313. The next prime is 1931400495371. The reversal of 1931400495359 is 9535940041391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1931400495359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1931400495359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1931400465359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965700247679 + 965700247680.

It is an arithmetic number, because the mean of its divisors is an integer number (965700247680).

Almost surely, 2^{1931400495359} is an apocalyptic number.

1931400495359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1931400495359 is an equidigital number, since it uses as much as digits as its factorization.

1931400495359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 1931400495359 in words is "one trillion, nine hundred thirty-one billion, four hundred million, four hundred ninety-five thousand, three hundred fifty-nine".