708191841949 has 2 divisors, whose sum is σ = 708191841950. Its totient is φ = 708191841948.

The previous prime is 708191841919. The next prime is 708191841967. The reversal of 708191841949 is 949148191807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460294402500 + 247897439449 = 678450^2 + 497893^2 .

It is a cyclic number.

It is not a de Polignac number, because 708191841949 - 2⁷ = 708191841821 is a prime.

It is a super-2 number, since 2×708191841949² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (708191841919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354095920974 + 354095920975.

It is an arithmetic number, because the mean of its divisors is an integer number (354095920975).

Almost surely, 2^708191841949 is an apocalyptic number.

It is an amenable number.

708191841949 is a deficient number, since it is larger than the sum of its proper divisors (1).

708191841949 is an equidigital number, since it uses as much as digits as its factorization.

708191841949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 61.

The spelling of 708191841949 in words is "seven hundred eight billion, one hundred ninety-one million, eight hundred forty-one thousand, nine hundred forty-nine".