9481494901 has 2 divisors, whose sum is σ = 9481494902. Its totient is φ = 9481494900.

The previous prime is 9481494857. The next prime is 9481495013. The reversal of 9481494901 is 1094941849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8468600625 + 1012894276 = 92025^2 + 31826^2 .

It is a cyclic number.

It is not a de Polignac number, because 9481494901 - 2⁷ = 9481494773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9481492901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4740747450 + 4740747451.

It is an arithmetic number, because the mean of its divisors is an integer number (4740747451).

Almost surely, 2^9481494901 is an apocalyptic number.

It is an amenable number.

9481494901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9481494901 is an equidigital number, since it uses as much as digits as its factorization.

9481494901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 9481494901 is about 97372.9680198771. The cubic root of 9481494901 is about 2116.5357344958.

The spelling of 9481494901 in words is "nine billion, four hundred eighty-one million, four hundred ninety-four thousand, nine hundred one".