9541297901 has 2 divisors, whose sum is σ = 9541297902. Its totient is φ = 9541297900.

The previous prime is 9541297879. The next prime is 9541297939. The reversal of 9541297901 is 1097921459.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8762832100 + 778465801 = 93610^2 + 27901^2 .

It is an emirp because it is prime and its reverse (1097921459) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9541297901 - 2²⁶ = 9474189037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9541297201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4770648950 + 4770648951.

It is an arithmetic number, because the mean of its divisors is an integer number (4770648951).

Almost surely, 2^9541297901 is an apocalyptic number.

It is an amenable number.

9541297901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9541297901 is an equidigital number, since it uses as much as digits as its factorization.

9541297901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 9541297901 is about 97679.5674693536. The cubic root of 9541297901 is about 2120.9763140639.

The spelling of 9541297901 in words is "nine billion, five hundred forty-one million, two hundred ninety-seven thousand, nine hundred one".