421710762404 has 6 divisors (see below), whose sum is σ = 737993834214. Its totient is φ = 210855381200.

The previous prime is 421710762379. The next prime is 421710762433. The reversal of 421710762404 is 404267017124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 265091116900 + 156619645504 = 514870^2 + 395752^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52713845297 + ... + 52713845304.

It is an arithmetic number, because the mean of its divisors is an integer number (122998972369).

Almost surely, 2^421710762404 is an apocalyptic number.

It is an amenable number.

421710762404 is a deficient number, since it is larger than the sum of its proper divisors (316283071810).

421710762404 is a wasteful number, since it uses less digits than its factorization.

421710762404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105427690605 (or 105427690603 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

Adding to 421710762404 its reverse (404267017124), we get a palindrome (825977779528).

The spelling of 421710762404 in words is "four hundred twenty-one billion, seven hundred ten million, seven hundred sixty-two thousand, four hundred four".