420092956691 has 2 divisors, whose sum is σ = 420092956692. Its totient is φ = 420092956690.

The previous prime is 420092956687. The next prime is 420092956721. The reversal of 420092956691 is 196659290024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420092956691 - 2² = 420092956687 is a prime.

It is a super-2 number, since 2×420092956691² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420092956091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210046478345 + 210046478346.

It is an arithmetic number, because the mean of its divisors is an integer number (210046478346).

Almost surely, 2^420092956691 is an apocalyptic number.

420092956691 is a deficient number, since it is larger than the sum of its proper divisors (1).

420092956691 is an equidigital number, since it uses as much as digits as its factorization.

420092956691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 420092956691 in words is "four hundred twenty billion, ninety-two million, nine hundred fifty-six thousand, six hundred ninety-one".