422842740691 has 24 divisors (see below), whose sum is σ = 514701068640. Its totient is φ = 340210699776.

The previous prime is 422842740659. The next prime is 422842740709. The reversal of 422842740691 is 196047248224.

It is a happy number.

It is not a de Polignac number, because 422842740691 - 2⁵ = 422842740659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422842740791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492126 + ... + 1043011.

It is an arithmetic number, because the mean of its divisors is an integer number (21445877860).

Almost surely, 2^422842740691 is an apocalyptic number.

422842740691 is a deficient number, since it is larger than the sum of its proper divisors (91858327949).

422842740691 is a wasteful number, since it uses less digits than its factorization.

422842740691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535291 (or 1535272 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 422842740691 in words is "four hundred twenty-two billion, eight hundred forty-two million, seven hundred forty thousand, six hundred ninety-one".