4687921967 has 4 divisors (see below), whose sum is σ = 4689358416. Its totient is φ = 4686485520.

The previous prime is 4687921961. The next prime is 4687921981. The reversal of 4687921967 is 7691297864.

4687921967 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4687921967 - 2⁴ = 4687921951 is a prime.

It is a super-2 number, since 2×4687921967² = 43953224737362298178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4687921961) 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, 713318 + ... + 719859.

It is an arithmetic number, because the mean of its divisors is an integer number (1172339604).

Almost surely, 2^4687921967 is an apocalyptic number.

4687921967 is a deficient number, since it is larger than the sum of its proper divisors (1436449).

4687921967 is a wasteful number, since it uses less digits than its factorization.

4687921967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436448.

The product of its digits is 9144576, while the sum is 59.

The square root of 4687921967 is about 68468.4012300565. The cubic root of 4687921967 is about 1673.6325921188.

The spelling of 4687921967 in words is "four billion, six hundred eighty-seven million, nine hundred twenty-one thousand, nine hundred sixty-seven".