9739485915091 has 2 divisors, whose sum is σ = 9739485915092. Its totient is φ = 9739485915090.

The previous prime is 9739485915083. The next prime is 9739485915113. The reversal of 9739485915091 is 1905195849379.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9739485915091 - 2³ = 9739485915083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9739485915091.

It is not a weakly prime, because it can be changed into another prime (9739485915041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4869742957545 + 4869742957546.

It is an arithmetic number, because the mean of its divisors is an integer number (4869742957546).

Almost surely, 2^{9739485915091} is an apocalyptic number.

9739485915091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9739485915091 is an equidigital number, since it uses as much as digits as its factorization.

9739485915091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110224800, while the sum is 70.

The spelling of 9739485915091 in words is "nine trillion, seven hundred thirty-nine billion, four hundred eighty-five million, nine hundred fifteen thousand, ninety-one".