999999949013941 has 2 divisors, whose sum is σ = 999999949013942. Its totient is φ = 999999949013940.

The previous prime is 999999949013903. The next prime is 999999949013959. The reversal of 999999949013941 is 149310949999999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992006204976900 + 7993744037041 = 31496130^2 + 2827321^2 .

It is a cyclic number.

It is not a de Polignac number, because 999999949013941 - 2³¹ = 999997801530293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999999949013941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999999949013971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999974506970 + 499999974506971.

It is an arithmetic number, because the mean of its divisors is an integer number (499999974506971).

Almost surely, 2^{999999949013941} is an apocalyptic number.

It is an amenable number.

999999949013941 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999949013941 is an equidigital number, since it uses as much as digits as its factorization.

999999949013941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18596183472, while the sum is 94.

The spelling of 999999949013941 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred forty-nine million, thirteen thousand, nine hundred forty-one".