1310202216949 has 2 divisors, whose sum is σ = 1310202216950. Its totient is φ = 1310202216948.

The previous prime is 1310202216941. The next prime is 1310202216979. The reversal of 1310202216949 is 9496122020131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952562336049 + 357639880900 = 975993^2 + 598030^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310202216949 - 2³ = 1310202216941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310202216941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655101108474 + 655101108475.

It is an arithmetic number, because the mean of its divisors is an integer number (655101108475).

Almost surely, 2^{1310202216949} is an apocalyptic number.

It is an amenable number.

1310202216949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310202216949 is an equidigital number, since it uses as much as digits as its factorization.

1310202216949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 1310202216949 in words is "one trillion, three hundred ten billion, two hundred two million, two hundred sixteen thousand, nine hundred forty-nine".