4545967813438 has 4 divisors (see below), whose sum is σ = 6818951720160. Its totient is φ = 2272983906718.

The previous prime is 4545967813433. The next prime is 4545967813451. The reversal of 4545967813438 is 8343187695454.

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

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545967813433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136491953358 + ... + 1136491953361.

It is an arithmetic number, because the mean of its divisors is an integer number (1704737930040).

Almost surely, 2^{4545967813438} is an apocalyptic number.

4545967813438 is a deficient number, since it is larger than the sum of its proper divisors (2272983906722).

4545967813438 is a wasteful number, since it uses less digits than its factorization.

4545967813438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272983906721.

The product of its digits is 348364800, while the sum is 67.

The spelling of 4545967813438 in words is "four trillion, five hundred forty-five billion, nine hundred sixty-seven million, eight hundred thirteen thousand, four hundred thirty-eight".