9955427039 has 2 divisors, whose sum is σ = 9955427040. Its totient is φ = 9955427038.

The previous prime is 9955426963. The next prime is 9955427051. The reversal of 9955427039 is 9307245599.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9955427039 is a prime.

It is a super-2 number, since 2×9955427039² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9955427099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977713519 + 4977713520.

It is an arithmetic number, because the mean of its divisors is an integer number (4977713520).

Almost surely, 2^9955427039 is an apocalyptic number.

9955427039 is a deficient number, since it is larger than the sum of its proper divisors (1).

9955427039 is an equidigital number, since it uses as much as digits as its factorization.

9955427039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The square root of 9955427039 is about 99776.8862963763. The cubic root of 9955427039 is about 2151.2289378608.

The spelling of 9955427039 in words is "nine billion, nine hundred fifty-five million, four hundred twenty-seven thousand, thirty-nine".