948215993243 has 2 divisors, whose sum is σ = 948215993244. Its totient is φ = 948215993242.

The previous prime is 948215993183. The next prime is 948215993299. The reversal of 948215993243 is 342399512849.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 948215993243 - 2²⁰ = 948214944667 is a prime.

It is a super-2 number, since 2×948215993243² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (948215990243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474107996621 + 474107996622.

It is an arithmetic number, because the mean of its divisors is an integer number (474107996622).

Almost surely, 2^948215993243 is an apocalyptic number.

948215993243 is a deficient number, since it is larger than the sum of its proper divisors (1).

948215993243 is an equidigital number, since it uses as much as digits as its factorization.

948215993243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 59.

The spelling of 948215993243 in words is "nine hundred forty-eight billion, two hundred fifteen million, nine hundred ninety-three thousand, two hundred forty-three".