4636487923 has 2 divisors, whose sum is σ = 4636487924. Its totient is φ = 4636487922.

The previous prime is 4636487887. The next prime is 4636487927. The reversal of 4636487923 is 3297846364.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4636487923 is a prime.

It is not a weakly prime, because it can be changed into another prime (4636487927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318243961 + 2318243962.

It is an arithmetic number, because the mean of its divisors is an integer number (2318243962).

Almost surely, 2^4636487923 is an apocalyptic number.

4636487923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4636487923 is an equidigital number, since it uses as much as digits as its factorization.

4636487923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 52.

The square root of 4636487923 is about 68091.7610508056. The cubic root of 4636487923 is about 1667.4892558126.

The spelling of 4636487923 in words is "four billion, six hundred thirty-six million, four hundred eighty-seven thousand, nine hundred twenty-three".