2431421998 has 8 divisors (see below), whose sum is σ = 3647387808. Its totient is φ = 1215626064.

The previous prime is 2431421983. The next prime is 2431422013. The reversal of 2431421998 is 8991241342.

It is an interprime number because it is at equal distance from previous prime (2431421983) and next prime (2431422013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3090 + ... + 69802.

It is an arithmetic number, because the mean of its divisors is an integer number (455923476).

Almost surely, 2^2431421998 is an apocalyptic number.

2431421998 is a deficient number, since it is larger than the sum of its proper divisors (1215965810).

2431421998 is a wasteful number, since it uses less digits than its factorization.

2431421998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84938.

The product of its digits is 124416, while the sum is 43.

The square root of 2431421998 is about 49309.4514063988. The cubic root of 2431421998 is about 1344.6836176277.

It can be divided in two parts, 243 and 1421998, that added together give a palindrome (1422241).

The spelling of 2431421998 in words is "two billion, four hundred thirty-one million, four hundred twenty-one thousand, nine hundred ninety-eight".