9925427623 has 2 divisors, whose sum is σ = 9925427624. Its totient is φ = 9925427622.

The previous prime is 9925427599. The next prime is 9925427731. The reversal of 9925427623 is 3267245299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9925427623 - 2¹³ = 9925419431 is a prime.

It is a super-3 number, since 3×9925427623³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9925437623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4962713811 + 4962713812.

It is an arithmetic number, because the mean of its divisors is an integer number (4962713812).

Almost surely, 2^9925427623 is an apocalyptic number.

9925427623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9925427623 is an equidigital number, since it uses as much as digits as its factorization.

9925427623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The square root of 9925427623 is about 99626.4403810555. The cubic root of 9925427623 is about 2149.0659453009.

The spelling of 9925427623 in words is "nine billion, nine hundred twenty-five million, four hundred twenty-seven thousand, six hundred twenty-three".