7265863771 has 2 divisors, whose sum is σ = 7265863772. Its totient is φ = 7265863770.

The previous prime is 7265863769. The next prime is 7265863837. The reversal of 7265863771 is 1773685627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7265863771 - 2¹ = 7265863769 is a prime.

Together with 7265863769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7265863711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3632931885 + 3632931886.

It is an arithmetic number, because the mean of its divisors is an integer number (3632931886).

Almost surely, 2^7265863771 is an apocalyptic number.

7265863771 is a deficient number, since it is larger than the sum of its proper divisors (1).

7265863771 is an equidigital number, since it uses as much as digits as its factorization.

7265863771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 52.

The square root of 7265863771 is about 85240.0361977868. The cubic root of 7265863771 is about 1936.8489402411.

The spelling of 7265863771 in words is "seven billion, two hundred sixty-five million, eight hundred sixty-three thousand, seven hundred seventy-one".