4786921231 has 2 divisors, whose sum is σ = 4786921232. Its totient is φ = 4786921230.

The previous prime is 4786921229. The next prime is 4786921241. The reversal of 4786921231 is 1321296874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4786921231 - 2¹ = 4786921229 is a prime.

It is a super-2 number, since 2×4786921231² = 45829229743597110722, which contains 22 as substring.

Together with 4786921229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4786921241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393460615 + 2393460616.

It is an arithmetic number, because the mean of its divisors is an integer number (2393460616).

Almost surely, 2^4786921231 is an apocalyptic number.

4786921231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4786921231 is an equidigital number, since it uses as much as digits as its factorization.

4786921231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 4786921231 is about 69187.5800342807. The cubic root of 4786921231 is about 1685.3318451691.

The spelling of 4786921231 in words is "four billion, seven hundred eighty-six million, nine hundred twenty-one thousand, two hundred thirty-one".