919120244947 has 2 divisors, whose sum is σ = 919120244948. Its totient is φ = 919120244946.

The previous prime is 919120244899. The next prime is 919120244989. The reversal of 919120244947 is 749442021919.

It is a strong prime.

It is an emirp because it is prime and its reverse (749442021919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 919120244947 - 2²³ = 919111856339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 919120244894 and 919120244903.

It is not a weakly prime, because it can be changed into another prime (919120248947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459560122473 + 459560122474.

It is an arithmetic number, because the mean of its divisors is an integer number (459560122474).

Almost surely, 2^919120244947 is an apocalyptic number.

919120244947 is a deficient number, since it is larger than the sum of its proper divisors (1).

919120244947 is an equidigital number, since it uses as much as digits as its factorization.

919120244947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 919120244947 in words is "nine hundred nineteen billion, one hundred twenty million, two hundred forty-four thousand, nine hundred forty-seven".