807244830421 has 2 divisors, whose sum is σ = 807244830422. Its totient is φ = 807244830420.

The previous prime is 807244830407. The next prime is 807244830449. The reversal of 807244830421 is 124038442708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541638593521 + 265606236900 = 735961^2 + 515370^2 .

It is a cyclic number.

It is not a de Polignac number, because 807244830421 - 2²³ = 807236441813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (807244836421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403622415210 + 403622415211.

It is an arithmetic number, because the mean of its divisors is an integer number (403622415211).

Almost surely, 2^807244830421 is an apocalyptic number.

It is an amenable number.

807244830421 is a deficient number, since it is larger than the sum of its proper divisors (1).

807244830421 is an equidigital number, since it uses as much as digits as its factorization.

807244830421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 807244830421 in words is "eight hundred seven billion, two hundred forty-four million, eight hundred thirty thousand, four hundred twenty-one".