4920743647 has 2 divisors, whose sum is σ = 4920743648. Its totient is φ = 4920743646.

The previous prime is 4920743623. The next prime is 4920743683. The reversal of 4920743647 is 7463470294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4920743647 - 2²³ = 4912355039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4920743597 and 4920743606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4920743147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460371823 + 2460371824.

It is an arithmetic number, because the mean of its divisors is an integer number (2460371824).

Almost surely, 2^4920743647 is an apocalyptic number.

4920743647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4920743647 is an equidigital number, since it uses as much as digits as its factorization.

4920743647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The square root of 4920743647 is about 70148.0124237316. The cubic root of 4920743647 is about 1700.8926853707.

The spelling of 4920743647 in words is "four billion, nine hundred twenty million, seven hundred forty-three thousand, six hundred forty-seven".