7422440214491 has 2 divisors, whose sum is σ = 7422440214492. Its totient is φ = 7422440214490.

The previous prime is 7422440214461. The next prime is 7422440214697. The reversal of 7422440214491 is 1944120442247.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7422440214491 is a prime.

It is not a weakly prime, because it can be changed into another prime (7422440214461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711220107245 + 3711220107246.

It is an arithmetic number, because the mean of its divisors is an integer number (3711220107246).

Almost surely, 2^{7422440214491} is an apocalyptic number.

7422440214491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422440214491 is an equidigital number, since it uses as much as digits as its factorization.

7422440214491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 7422440214491 in words is "seven trillion, four hundred twenty-two billion, four hundred forty million, two hundred fourteen thousand, four hundred ninety-one".