959779763749 has 2 divisors, whose sum is σ = 959779763750. Its totient is φ = 959779763748.

The previous prime is 959779763743. The next prime is 959779763773. The reversal of 959779763749 is 947367977959.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 773376018724 + 186403745025 = 879418^2 + 431745^2 .

It is a cyclic number.

It is not a de Polignac number, because 959779763749 - 2¹¹ = 959779761701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (959779763743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479889881874 + 479889881875.

It is an arithmetic number, because the mean of its divisors is an integer number (479889881875).

Almost surely, 2^959779763749 is an apocalyptic number.

It is an amenable number.

959779763749 is a deficient number, since it is larger than the sum of its proper divisors (1).

959779763749 is an equidigital number, since it uses as much as digits as its factorization.

959779763749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5671065960, while the sum is 82.

The spelling of 959779763749 in words is "nine hundred fifty-nine billion, seven hundred seventy-nine million, seven hundred sixty-three thousand, seven hundred forty-nine".