3635400745 has 16 divisors (see below), whose sum is σ = 4377914640. Its totient is φ = 2898054144.

The previous prime is 3635400733. The next prime is 3635400757. The reversal of 3635400745 is 5470045363.

3635400745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3635400733) and next prime (3635400757).

It can be written as a sum of positive squares in 8 ways, for example, as 114639849 + 3520760896 = 10707^2 + 59336^2 .

It is a cyclic number.

It is not a de Polignac number, because 3635400745 - 2²⁷ = 3501183017 is a prime.

It is a super-2 number, since 2×3635400745² = 26432277153493110050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2938267 + ... + 2939503.

It is an arithmetic number, because the mean of its divisors is an integer number (273619665).

Almost surely, 2^3635400745 is an apocalyptic number.

It is an amenable number.

3635400745 is a deficient number, since it is larger than the sum of its proper divisors (742513895).

3635400745 is a wasteful number, since it uses less digits than its factorization.

3635400745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 151200, while the sum is 37.

The square root of 3635400745 is about 60294.2845135424. The cubic root of 3635400745 is about 1537.6261770553.

The spelling of 3635400745 in words is "three billion, six hundred thirty-five million, four hundred thousand, seven hundred forty-five".