2291431364419 has 16 divisors (see below), whose sum is σ = 2338140992256. Its totient is φ = 2245158580000.

The previous prime is 2291431364407. The next prime is 2291431364449. The reversal of 2291431364419 is 9144631341922.

It is a cyclic number.

It is not a de Polignac number, because 2291431364419 - 2²³ = 2291422975811 is a prime.

It is a super-2 number, since 2×2291431364419² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2291431364449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8849544 + ... + 9104794.

It is an arithmetic number, because the mean of its divisors is an integer number (146133812016).

Almost surely, 2^{2291431364419} is an apocalyptic number.

2291431364419 is a deficient number, since it is larger than the sum of its proper divisors (46709627837).

2291431364419 is a wasteful number, since it uses less digits than its factorization.

2291431364419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256106.

The product of its digits is 1119744, while the sum is 49.

The spelling of 2291431364419 in words is "two trillion, two hundred ninety-one billion, four hundred thirty-one million, three hundred sixty-four thousand, four hundred nineteen".