4022190787991 has 2 divisors, whose sum is σ = 4022190787992. Its totient is φ = 4022190787990.

The previous prime is 4022190787973. The next prime is 4022190787999. The reversal of 4022190787991 is 1997870912204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4022190787991 - 2¹⁴ = 4022190771607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4022190787991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022190787999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011095393995 + 2011095393996.

It is an arithmetic number, because the mean of its divisors is an integer number (2011095393996).

Almost surely, 2^{4022190787991} is an apocalyptic number.

4022190787991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022190787991 is an equidigital number, since it uses as much as digits as its factorization.

4022190787991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 59.

The spelling of 4022190787991 in words is "four trillion, twenty-two billion, one hundred ninety million, seven hundred eighty-seven thousand, nine hundred ninety-one".