658947749879 has 2 divisors, whose sum is σ = 658947749880. Its totient is φ = 658947749878.

The previous prime is 658947749857. The next prime is 658947749891. The reversal of 658947749879 is 978947749856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 658947749879 - 2⁸ = 658947749623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 658947749797 and 658947749806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (658947749819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329473874939 + 329473874940.

It is an arithmetic number, because the mean of its divisors is an integer number (329473874940).

Almost surely, 2^658947749879 is an apocalyptic number.

658947749879 is a deficient number, since it is larger than the sum of its proper divisors (1).

658947749879 is an equidigital number, since it uses as much as digits as its factorization.

658947749879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7681443840, while the sum is 83.

The spelling of 658947749879 in words is "six hundred fifty-eight billion, nine hundred forty-seven million, seven hundred forty-nine thousand, eight hundred seventy-nine".