421042489399 has 64 divisors (see below), whose sum is σ = 527557708800. Its totient is φ = 327867015168.

The previous prime is 421042489363. The next prime is 421042489411. The reversal of 421042489399 is 993984240124.

It is not a de Polignac number, because 421042489399 - 2¹³ = 421042481207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421042484399) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 616460112 + ... + 616460794.

It is an arithmetic number, because the mean of its divisors is an integer number (8243089200).

Almost surely, 2^421042489399 is an apocalyptic number.

421042489399 is a deficient number, since it is larger than the sum of its proper divisors (106515219401).

421042489399 is a wasteful number, since it uses less digits than its factorization.

421042489399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 421042489399 in words is "four hundred twenty-one billion, forty-two million, four hundred eighty-nine thousand, three hundred ninety-nine".