719161949213 has 2 divisors, whose sum is σ = 719161949214. Its totient is φ = 719161949212.

The previous prime is 719161949147. The next prime is 719161949249. The reversal of 719161949213 is 312949161917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392404522084 + 326757427129 = 626422^2 + 571627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-719161949213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (719161945213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359580974606 + 359580974607.

It is an arithmetic number, because the mean of its divisors is an integer number (359580974607).

Almost surely, 2^719161949213 is an apocalyptic number.

It is an amenable number.

719161949213 is a deficient number, since it is larger than the sum of its proper divisors (1).

719161949213 is an equidigital number, since it uses as much as digits as its factorization.

719161949213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 53.

The spelling of 719161949213 in words is "seven hundred nineteen billion, one hundred sixty-one million, nine hundred forty-nine thousand, two hundred thirteen".