4991322232007 has 2 divisors, whose sum is σ = 4991322232008. Its totient is φ = 4991322232006.

The previous prime is 4991322231991. The next prime is 4991322232027. The reversal of 4991322232007 is 7002322231994.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4991322232007 - 2⁴ = 4991322231991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4991322232027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495661116003 + 2495661116004.

It is an arithmetic number, because the mean of its divisors is an integer number (2495661116004).

Almost surely, 2^{4991322232007} is an apocalyptic number.

4991322232007 is a deficient number, since it is larger than the sum of its proper divisors (1).

4991322232007 is an equidigital number, since it uses as much as digits as its factorization.

4991322232007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 4991322232007 in words is "four trillion, nine hundred ninety-one billion, three hundred twenty-two million, two hundred thirty-two thousand, seven".