4654633639 has 2 divisors, whose sum is σ = 4654633640. Its totient is φ = 4654633638.

The previous prime is 4654633637. The next prime is 4654633651. The reversal of 4654633639 is 9363364564.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4654633639 - 2¹ = 4654633637 is a prime.

It is a super-2 number, since 2×4654633639² = 43331228626620764642, which contains 22 as substring.

Together with 4654633637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4654633592 and 4654633601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4654633637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2327316819 + 2327316820.

It is an arithmetic number, because the mean of its divisors is an integer number (2327316820).

Almost surely, 2^4654633639 is an apocalyptic number.

4654633639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4654633639 is an equidigital number, since it uses as much as digits as its factorization.

4654633639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 49.

The square root of 4654633639 is about 68224.8755147270. The cubic root of 4654633639 is about 1669.6617622086.

The spelling of 4654633639 in words is "four billion, six hundred fifty-four million, six hundred thirty-three thousand, six hundred thirty-nine".