2421351193 has 4 divisors (see below), whose sum is σ = 2499459328. Its totient is φ = 2343243060.

The previous prime is 2421351169. The next prime is 2421351221. The reversal of 2421351193 is 3911531242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421351193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 78108103 = 2421351193 / (2 + 4 + 2 + 1 + 3 + 5 + 1 + 1 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421354193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39054021 + ... + 39054082.

It is an arithmetic number, because the mean of its divisors is an integer number (624864832).

Almost surely, 2^2421351193 is an apocalyptic number.

It is an amenable number.

2421351193 is a deficient number, since it is larger than the sum of its proper divisors (78108135).

2421351193 is an equidigital number, since it uses as much as digits as its factorization.

2421351193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78108134.

The product of its digits is 6480, while the sum is 31.

The square root of 2421351193 is about 49207.2270403444. The cubic root of 2421351193 is about 1342.8245153636.

The spelling of 2421351193 in words is "two billion, four hundred twenty-one million, three hundred fifty-one thousand, one hundred ninety-three".