1453031996891 has 2 divisors, whose sum is σ = 1453031996892. Its totient is φ = 1453031996890.

The previous prime is 1453031996863. The next prime is 1453031996971. The reversal of 1453031996891 is 1986991303541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1453031996891 - 2¹⁰ = 1453031995867 is a prime.

It is a super-2 number, since 2×1453031996891² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453031996891.

It is not a weakly prime, because it can be changed into another prime (1453031996861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726515998445 + 726515998446.

It is an arithmetic number, because the mean of its divisors is an integer number (726515998446).

Almost surely, 2^{1453031996891} is an apocalyptic number.

1453031996891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453031996891 is an equidigital number, since it uses as much as digits as its factorization.

1453031996891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 59.

The spelling of 1453031996891 in words is "one trillion, four hundred fifty-three billion, thirty-one million, nine hundred ninety-six thousand, eight hundred ninety-one".