421082697307 has 2 divisors, whose sum is σ = 421082697308. Its totient is φ = 421082697306.

The previous prime is 421082697289. The next prime is 421082697311. The reversal of 421082697307 is 703796280124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421082697307 - 2⁷ = 421082697179 is a prime.

It is not a weakly prime, because it can be changed into another prime (421082697107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210541348653 + 210541348654.

It is an arithmetic number, because the mean of its divisors is an integer number (210541348654).

Almost surely, 2^421082697307 is an apocalyptic number.

421082697307 is a deficient number, since it is larger than the sum of its proper divisors (1).

421082697307 is an equidigital number, since it uses as much as digits as its factorization.

421082697307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 421082697307 in words is "four hundred twenty-one billion, eighty-two million, six hundred ninety-seven thousand, three hundred seven".