2389207797 has 6 divisors (see below), whose sum is σ = 3451077942. Its totient is φ = 1592805192.

The previous prime is 2389207787. The next prime is 2389207811. The reversal of 2389207797 is 7977029832.

It can be written as a sum of positive squares in only one way, i.e., 2126962161 + 262245636 = 46119^2 + 16194^2 .

It is not a de Polignac number, because 2389207797 - 2⁴ = 2389207781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389207757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132733758 + ... + 132733775.

It is an arithmetic number, because the mean of its divisors is an integer number (575179657).

Almost surely, 2^2389207797 is an apocalyptic number.

It is an amenable number.

2389207797 is a deficient number, since it is larger than the sum of its proper divisors (1061870145).

2389207797 is a wasteful number, since it uses less digits than its factorization.

2389207797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265467539 (or 265467536 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 2389207797 is about 48879.5232894103. The cubic root of 2389207797 is about 1336.8560355567.

The spelling of 2389207797 in words is "two billion, three hundred eighty-nine million, two hundred seven thousand, seven hundred ninety-seven".