413121439978 has 12 divisors (see below), whose sum is σ = 671016777318. Its totient is φ = 190671433680.

The previous prime is 413121439967. The next prime is 413121439979. The reversal of 413121439978 is 879934121314.

It can be written as a sum of positive squares in 3 ways, for example, as 276847502569 + 136273937409 = 526163^2 + 369153^2 .

It is not an unprimeable number, because it can be changed into a prime (413121439979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611126053 + ... + 611126728.

Almost surely, 2^413121439978 is an apocalyptic number.

413121439978 is a deficient number, since it is larger than the sum of its proper divisors (257895337340).

413121439978 is a wasteful number, since it uses less digits than its factorization.

413121439978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222252809 (or 1222252796 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The spelling of 413121439978 in words is "four hundred thirteen billion, one hundred twenty-one million, four hundred thirty-nine thousand, nine hundred seventy-eight".