3964432454 has 4 divisors (see below), whose sum is σ = 5946648684. Its totient is φ = 1982216226.

The previous prime is 3964432447. The next prime is 3964432463. The reversal of 3964432454 is 4542344693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4542344693 = 16319 ⋅278347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991108112 + ... + 991108115.

It is an arithmetic number, because the mean of its divisors is an integer number (1486662171).

Almost surely, 2^3964432454 is an apocalyptic number.

3964432454 is a deficient number, since it is larger than the sum of its proper divisors (1982216230).

3964432454 is a wasteful number, since it uses less digits than its factorization.

3964432454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982216229.

The product of its digits is 1244160, while the sum is 44.

The square root of 3964432454 is about 62963.7391996378. The cubic root of 3964432454 is about 1582.6820405741.

The spelling of 3964432454 in words is "three billion, nine hundred sixty-four million, four hundred thirty-two thousand, four hundred fifty-four".