2634782401 has 4 divisors (see below), whose sum is σ = 2634908292. Its totient is φ = 2634656512.

The previous prime is 2634782399. The next prime is 2634782413. The reversal of 2634782401 is 1042874362.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 194323600 + 2440458801 = 13940^2 + 49401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2634782401 - 2¹ = 2634782399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2634782431) 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, 23176 + ... + 76201.

It is an arithmetic number, because the mean of its divisors is an integer number (658727073).

Almost surely, 2^2634782401 is an apocalyptic number.

It is an amenable number.

2634782401 is a deficient number, since it is larger than the sum of its proper divisors (125891).

2634782401 is an equidigital number, since it uses as much as digits as its factorization.

2634782401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125890.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 2634782401 is about 51330.1315116180. The cubic root of 2634782401 is about 1381.1735450785.

The spelling of 2634782401 in words is "two billion, six hundred thirty-four million, seven hundred eighty-two thousand, four hundred one".