790430343421 has 4 divisors (see below), whose sum is σ = 790432122844. Its totient is φ = 790428564000.

The previous prime is 790430343349. The next prime is 790430343467. The reversal of 790430343421 is 124343034097.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 365437176196 + 424993167225 = 604514^2 + 651915^2 .

It is a cyclic number.

It is not a de Polignac number, because 790430343421 - 2¹⁹ = 790429819133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790430343481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393871 + ... + 1317571.

It is an arithmetic number, because the mean of its divisors is an integer number (197608030711).

Almost surely, 2^790430343421 is an apocalyptic number.

It is an amenable number.

790430343421 is a deficient number, since it is larger than the sum of its proper divisors (1779423).

790430343421 is an equidigital number, since it uses as much as digits as its factorization.

790430343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779422.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 790430343421 in words is "seven hundred ninety billion, four hundred thirty million, three hundred forty-three thousand, four hundred twenty-one".