707449209949 has 2 divisors, whose sum is σ = 707449209950. Its totient is φ = 707449209948.

The previous prime is 707449209871. The next prime is 707449210087. The reversal of 707449209949 is 949902944707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548128487449 + 159320722500 = 740357^2 + 399150^2 .

It is a cyclic number.

It is not a de Polignac number, because 707449209949 - 2¹¹ = 707449207901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (707449209149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353724604974 + 353724604975.

It is an arithmetic number, because the mean of its divisors is an integer number (353724604975).

Almost surely, 2^707449209949 is an apocalyptic number.

It is an amenable number.

707449209949 is a deficient number, since it is larger than the sum of its proper divisors (1).

707449209949 is an equidigital number, since it uses as much as digits as its factorization.

707449209949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 707449209949 in words is "seven hundred seven billion, four hundred forty-nine million, two hundred nine thousand, nine hundred forty-nine".