1450899815191 has 2 divisors, whose sum is σ = 1450899815192. Its totient is φ = 1450899815190.

The previous prime is 1450899815179. The next prime is 1450899815207. The reversal of 1450899815191 is 1915189980541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1450899815191 - 2⁵ = 1450899815159 is a prime.

It is a super-2 number, since 2×1450899815191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450899815171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725449907595 + 725449907596.

It is an arithmetic number, because the mean of its divisors is an integer number (725449907596).

Almost surely, 2^{1450899815191} is an apocalyptic number.

1450899815191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450899815191 is an equidigital number, since it uses as much as digits as its factorization.

1450899815191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 61.

The spelling of 1450899815191 in words is "one trillion, four hundred fifty billion, eight hundred ninety-nine million, eight hundred fifteen thousand, one hundred ninety-one".