2641493451 has 4 divisors (see below), whose sum is σ = 3521991272. Its totient is φ = 1760995632.

The previous prime is 2641493419. The next prime is 2641493453. The reversal of 2641493451 is 1543941462.

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

It is not a de Polignac number, because 2641493451 - 2⁵ = 2641493419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641493453) 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, 440248906 + ... + 440248911.

It is an arithmetic number, because the mean of its divisors is an integer number (880497818).

Almost surely, 2^2641493451 is an apocalyptic number.

2641493451 is a deficient number, since it is larger than the sum of its proper divisors (880497821).

2641493451 is an equidigital number, since it uses as much as digits as its factorization.

2641493451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880497820.

The product of its digits is 103680, while the sum is 39.

The square root of 2641493451 is about 51395.4613852235. The cubic root of 2641493451 is about 1382.3452124924.

The spelling of 2641493451 in words is "two billion, six hundred forty-one million, four hundred ninety-three thousand, four hundred fifty-one".