1799737244009 has 2 divisors, whose sum is σ = 1799737244010. Its totient is φ = 1799737244008.

The previous prime is 1799737243987. The next prime is 1799737244029. The reversal of 1799737244009 is 9004427379971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1136281381225 + 663455862784 = 1065965^2 + 814528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1799737244009 is a prime.

It is a super-2 number, since 2×1799737244009² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1799737244029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899868622004 + 899868622005.

It is an arithmetic number, because the mean of its divisors is an integer number (899868622005).

Almost surely, 2^{1799737244009} is an apocalyptic number.

It is an amenable number.

1799737244009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799737244009 is an equidigital number, since it uses as much as digits as its factorization.

1799737244009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24004512, while the sum is 62.

The spelling of 1799737244009 in words is "one trillion, seven hundred ninety-nine billion, seven hundred thirty-seven million, two hundred forty-four thousand, nine".