2421405998 has 16 divisors (see below), whose sum is σ = 3963067776. Its totient is φ = 1100426040.

The previous prime is 2421405967. The next prime is 2421406073. The reversal of 2421405998 is 8995041242.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187415 + ... + 199917.

It is an arithmetic number, because the mean of its divisors is an integer number (247691736).

Almost surely, 2^2421405998 is an apocalyptic number.

2421405998 is a deficient number, since it is larger than the sum of its proper divisors (1541661778).

2421405998 is a wasteful number, since it uses less digits than its factorization.

2421405998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2421405998 is about 49207.7839167748. The cubic root of 2421405998 is about 1342.8346464758.

The spelling of 2421405998 in words is "two billion, four hundred twenty-one million, four hundred five thousand, nine hundred ninety-eight".