2646303797 has 2 divisors, whose sum is σ = 2646303798. Its totient is φ = 2646303796.

The previous prime is 2646303787. The next prime is 2646303887. The reversal of 2646303797 is 7973036462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1465281841 + 1181021956 = 38279^2 + 34366^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646303797 - 2¹² = 2646299701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646303767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323151898 + 1323151899.

It is an arithmetic number, because the mean of its divisors is an integer number (1323151899).

Almost surely, 2^2646303797 is an apocalyptic number.

It is an amenable number.

2646303797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646303797 is an equidigital number, since it uses as much as digits as its factorization.

2646303797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 47.

The square root of 2646303797 is about 51442.2374804985. The cubic root of 2646303797 is about 1383.1838197080.

The spelling of 2646303797 in words is "two billion, six hundred forty-six million, three hundred three thousand, seven hundred ninety-seven".