911838837461 has 2 divisors, whose sum is σ = 911838837462. Its totient is φ = 911838837460.

The previous prime is 911838837367. The next prime is 911838837479. The reversal of 911838837461 is 164738838119.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800479143025 + 111359694436 = 894695^2 + 333706^2 .

It is a cyclic number.

It is not a de Polignac number, because 911838837461 - 2¹⁰ = 911838836437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 911838837461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (911838837061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455919418730 + 455919418731.

It is an arithmetic number, because the mean of its divisors is an integer number (455919418731).

Almost surely, 2^911838837461 is an apocalyptic number.

It is an amenable number.

911838837461 is a deficient number, since it is larger than the sum of its proper divisors (1).

911838837461 is an equidigital number, since it uses as much as digits as its factorization.

911838837461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 59.

The spelling of 911838837461 in words is "nine hundred eleven billion, eight hundred thirty-eight million, eight hundred thirty-seven thousand, four hundred sixty-one".