2453195991 has 4 divisors (see below), whose sum is σ = 3270927992. Its totient is φ = 1635463992.

The previous prime is 2453195957. The next prime is 2453196041. The reversal of 2453195991 is 1995913542.

2453195991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2453195991 - 2¹⁰ = 2453194967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2453195991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453195951) 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, 408865996 + ... + 408866001.

It is an arithmetic number, because the mean of its divisors is an integer number (817731998).

Almost surely, 2^2453195991 is an apocalyptic number.

2453195991 is a deficient number, since it is larger than the sum of its proper divisors (817732001).

2453195991 is an equidigital number, since it uses as much as digits as its factorization.

2453195991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817732000.

The product of its digits is 437400, while the sum is 48.

The square root of 2453195991 is about 49529.7485456973. The cubic root of 2453195991 is about 1348.6856876510.

The spelling of 2453195991 in words is "two billion, four hundred fifty-three million, one hundred ninety-five thousand, nine hundred ninety-one".