1262049322873 has 2 divisors, whose sum is σ = 1262049322874. Its totient is φ = 1262049322872.

The previous prime is 1262049322829. The next prime is 1262049322913. The reversal of 1262049322873 is 3782239402621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199130122304 + 62919200569 = 1095048^2 + 250837^2 .

It is an emirp because it is prime and its reverse (3782239402621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1262049322873 - 2²¹ = 1262047225721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1262049322823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631024661436 + 631024661437.

It is an arithmetic number, because the mean of its divisors is an integer number (631024661437).

Almost surely, 2^{1262049322873} is an apocalyptic number.

It is an amenable number.

1262049322873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262049322873 is an equidigital number, since it uses as much as digits as its factorization.

1262049322873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 1262049322873 in words is "one trillion, two hundred sixty-two billion, forty-nine million, three hundred twenty-two thousand, eight hundred seventy-three".