3945457463 has 4 divisors (see below), whose sum is σ = 3954569808. Its totient is φ = 3936345120.

The previous prime is 3945457459. The next prime is 3945457469. The reversal of 3945457463 is 3647545493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3945457463 - 2² = 3945457459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945457469) 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, 4555523 + ... + 4556388.

It is an arithmetic number, because the mean of its divisors is an integer number (988642452).

Almost surely, 2^3945457463 is an apocalyptic number.

3945457463 is a deficient number, since it is larger than the sum of its proper divisors (9112345).

3945457463 is an equidigital number, since it uses as much as digits as its factorization.

3945457463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112344.

The product of its digits is 5443200, while the sum is 50.

The square root of 3945457463 is about 62812.8765700155. The cubic root of 3945457463 is about 1580.1529338426.

The spelling of 3945457463 in words is "three billion, nine hundred forty-five million, four hundred fifty-seven thousand, four hundred sixty-three".