4467781923 has 16 divisors (see below), whose sum is σ = 6840624000. Its totient is φ = 2565233280.

The previous prime is 4467781889. The next prime is 4467781937. The reversal of 4467781923 is 3291877644.

It is not a de Polignac number, because 4467781923 - 2¹⁶ = 4467716387 is a prime.

It is a super-2 number, since 2×4467781923² = 39922150622971155858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4467781943) 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, 3562198 + ... + 3563451.

It is an arithmetic number, because the mean of its divisors is an integer number (427539000).

Almost surely, 2^4467781923 is an apocalyptic number.

4467781923 is a deficient number, since it is larger than the sum of its proper divisors (2372842077).

4467781923 is a wasteful number, since it uses less digits than its factorization.

4467781923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125682.

The product of its digits is 2032128, while the sum is 51.

The square root of 4467781923 is about 66841.4685879956. The cubic root of 4467781923 is about 1647.0141191273.

The spelling of 4467781923 in words is "four billion, four hundred sixty-seven million, seven hundred eighty-one thousand, nine hundred twenty-three".