65288225431 has 48 divisors (see below), whose sum is σ = 80953205760. Its totient is φ = 52204046400.

The previous prime is 65288225423. The next prime is 65288225437. The reversal of 65288225431 is 13452288256.

It is not a de Polignac number, because 65288225431 - 2³ = 65288225423 is a prime.

It is a super-2 number, since 2×65288225431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65288225437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9801180 + ... + 9807838.

It is an arithmetic number, because the mean of its divisors is an integer number (1686525120).

Almost surely, 2^65288225431 is an apocalyptic number.

65288225431 is a deficient number, since it is larger than the sum of its proper divisors (15664980329).

65288225431 is a wasteful number, since it uses less digits than its factorization.

65288225431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988 (or 6977 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The spelling of 65288225431 in words is "sixty-five billion, two hundred eighty-eight million, two hundred twenty-five thousand, four hundred thirty-one".