2629612445 has 54 divisors (see below), whose sum is σ = 3588313626. Its totient is φ = 1849317120.

The previous prime is 2629612429. The next prime is 2629612451. The reversal of 2629612445 is 5442169262.

It can be written as a sum of positive squares in 3 ways, for example, as 880783684 + 1748828761 = 29678^2 + 41819^2 .

It is not a de Polignac number, because 2629612445 - 2⁴ = 2629612429 is a prime.

It is a super-2 number, since 2×2629612445² = 13829723221797756050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 37036760 + ... + 37036830.

Almost surely, 2^2629612445 is an apocalyptic number.

It is an amenable number.

2629612445 is a deficient number, since it is larger than the sum of its proper divisors (958701181).

2629612445 is an equidigital number, since it uses as much as digits as its factorization.

2629612445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 112 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 2629612445 is about 51279.7469280027. The cubic root of 2629612445 is about 1380.2695764406.

The spelling of 2629612445 in words is "two billion, six hundred twenty-nine million, six hundred twelve thousand, four hundred forty-five".