2246577291891 has 12 divisors (see below), whose sum is σ = 3356954574480. Its totient is φ = 1446072739440.

The previous prime is 2246577291853. The next prime is 2246577291967. The reversal of 2246577291891 is 1981927756422.

2246577291891 is a `hidden beast` number, since 2 + 2 + 46 + 577 + 2 + 9 + 18 + 9 + 1 = 666.

It is not a de Polignac number, because 2246577291891 - 2⁹ = 2246577291379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2246577291391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4303787655 + ... + 4303788176.

It is an arithmetic number, because the mean of its divisors is an integer number (279746214540).

Almost surely, 2^{2246577291891} is an apocalyptic number.

2246577291891 is a deficient number, since it is larger than the sum of its proper divisors (1110377282589).

2246577291891 is a wasteful number, since it uses less digits than its factorization.

2246577291891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8607575866 (or 8607575863 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The spelling of 2246577291891 in words is "two trillion, two hundred forty-six billion, five hundred seventy-seven million, two hundred ninety-one thousand, eight hundred ninety-one".