4247770999 has 2 divisors, whose sum is σ = 4247771000. Its totient is φ = 4247770998.

The previous prime is 4247770993. The next prime is 4247771057. The reversal of 4247770999 is 9990777424.

It is an a-pointer prime, because the next prime (4247771057) can be obtained adding 4247770999 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4247770999 - 2⁷ = 4247770871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4247770993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123885499 + 2123885500.

It is an arithmetic number, because the mean of its divisors is an integer number (2123885500).

Almost surely, 2^4247770999 is an apocalyptic number.

4247770999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4247770999 is an equidigital number, since it uses as much as digits as its factorization.

4247770999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 58.

The square root of 4247770999 is about 65174.9261526241. The cubic root of 4247770999 is about 1619.5226708062.

The spelling of 4247770999 in words is "four billion, two hundred forty-seven million, seven hundred seventy thousand, nine hundred ninety-nine".