9425537997 has 8 divisors (see below), whose sum is σ = 12567938400. Its totient is φ = 6283414800.

The previous prime is 9425537963. The next prime is 9425537999. The reversal of 9425537997 is 7997355249.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9425537997 - 2⁸ = 9425537741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9425537997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9425537999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30622 + ... + 140672.

It is an arithmetic number, because the mean of its divisors is an integer number (1570992300).

Almost surely, 2^9425537997 is an apocalyptic number.

It is an amenable number.

9425537997 is a deficient number, since it is larger than the sum of its proper divisors (3142400403).

9425537997 is a wasteful number, since it uses less digits than its factorization.

9425537997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138603.

The product of its digits is 21432600, while the sum is 60.

The square root of 9425537997 is about 97085.2099807175. The cubic root of 9425537997 is about 2112.3637994515.

The spelling of 9425537997 in words is "nine billion, four hundred twenty-five million, five hundred thirty-seven thousand, nine hundred ninety-seven".