2451196389 has 4 divisors (see below), whose sum is σ = 3268261856. Its totient is φ = 1634130924.

The previous prime is 2451196343. The next prime is 2451196453. The reversal of 2451196389 is 9836911542.

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 not a de Polignac number, because 2451196389 - 2¹⁵ = 2451163621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451196789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408532729 + ... + 408532734.

It is an arithmetic number, because the mean of its divisors is an integer number (817065464).

Almost surely, 2^2451196389 is an apocalyptic number.

It is an amenable number.

2451196389 is a deficient number, since it is larger than the sum of its proper divisors (817065467).

2451196389 is an equidigital number, since it uses as much as digits as its factorization.

2451196389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817065466.

The product of its digits is 466560, while the sum is 48.

The square root of 2451196389 is about 49509.5585619585. The cubic root of 2451196389 is about 1348.3191497862.

The spelling of 2451196389 in words is "two billion, four hundred fifty-one million, one hundred ninety-six thousand, three hundred eighty-nine".