3651896473 has 2 divisors, whose sum is σ = 3651896474. Its totient is φ = 3651896472.

The previous prime is 3651896401. The next prime is 3651896477. The reversal of 3651896473 is 3746981563.

It is a happy number.

3651896473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3644295424 + 7601049 = 60368^2 + 2757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3651896473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3651896473.

It is not a weakly prime, because it can be changed into another prime (3651896477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825948236 + 1825948237.

It is an arithmetic number, because the mean of its divisors is an integer number (1825948237).

Almost surely, 2^3651896473 is an apocalyptic number.

It is an amenable number.

3651896473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651896473 is an equidigital number, since it uses as much as digits as its factorization.

3651896473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 52.

The square root of 3651896473 is about 60430.9231519758. The cubic root of 3651896473 is about 1539.9483415797.

The spelling of 3651896473 in words is "three billion, six hundred fifty-one million, eight hundred ninety-six thousand, four hundred seventy-three".