3896690045 has 4 divisors (see below), whose sum is σ = 4676028060. Its totient is φ = 3117352032.

The previous prime is 3896690023. The next prime is 3896690093. The reversal of 3896690045 is 5400966983.

3896690045 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 can be written as a sum of positive squares in 2 ways, for example, as 605258404 + 3291431641 = 24602^2 + 57371^2 .

It is a cyclic number.

It is not a de Polignac number, because 3896690045 - 2⁸ = 3896689789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3896689975 and 3896690002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389669000 + ... + 389669009.

It is an arithmetic number, because the mean of its divisors is an integer number (1169007015).

Almost surely, 2^3896690045 is an apocalyptic number.

It is an amenable number.

3896690045 is a deficient number, since it is larger than the sum of its proper divisors (779338015).

3896690045 is an equidigital number, since it uses as much as digits as its factorization.

3896690045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779338014.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 3896690045 is about 62423.4735095701. The cubic root of 3896690045 is about 1573.6154853975.

The spelling of 3896690045 in words is "three billion, eight hundred ninety-six million, six hundred ninety thousand, forty-five".