375403446447 has 16 divisors (see below), whose sum is σ = 503123920992. Its totient is φ = 248976197120.

The previous prime is 375403446433. The next prime is 375403446463. The reversal of 375403446447 is 744644304573.

375403446447 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 375403446447 - 2¹⁴ = 375403430063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 375403446447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375403446427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8939203 + ... + 8981099.

It is an arithmetic number, because the mean of its divisors is an integer number (31445245062).

Almost surely, 2^375403446447 is an apocalyptic number.

375403446447 is a deficient number, since it is larger than the sum of its proper divisors (127720474545).

375403446447 is a wasteful number, since it uses less digits than its factorization.

375403446447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57258.

The product of its (nonzero) digits is 13547520, while the sum is 51.

The spelling of 375403446447 in words is "three hundred seventy-five billion, four hundred three million, four hundred forty-six thousand, four hundred forty-seven".