9061421903 has 2 divisors, whose sum is σ = 9061421904. Its totient is φ = 9061421902.

The previous prime is 9061421869. The next prime is 9061421909. The reversal of 9061421903 is 3091241609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9061421903 - 2³⁰ = 7987680079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9061421909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4530710951 + 4530710952.

It is an arithmetic number, because the mean of its divisors is an integer number (4530710952).

Almost surely, 2^9061421903 is an apocalyptic number.

9061421903 is a deficient number, since it is larger than the sum of its proper divisors (1).

9061421903 is an equidigital number, since it uses as much as digits as its factorization.

9061421903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9061421903 is about 95191.5012120305. The cubic root of 9061421903 is about 2084.8050511369.

The spelling of 9061421903 in words is "nine billion, sixty-one million, four hundred twenty-one thousand, nine hundred three".