1797139586441 has 2 divisors, whose sum is σ = 1797139586442. Its totient is φ = 1797139586440.

The previous prime is 1797139586357. The next prime is 1797139586449. The reversal of 1797139586441 is 1446859317971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1065808464400 + 731331122041 = 1032380^2 + 855179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1797139586441 - 2³⁴ = 1779959717257 is a prime.

It is a super-2 number, since 2×1797139586441² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1797139586449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 898569793220 + 898569793221.

It is an arithmetic number, because the mean of its divisors is an integer number (898569793221).

Almost surely, 2^{1797139586441} is an apocalyptic number.

It is an amenable number.

1797139586441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1797139586441 is an equidigital number, since it uses as much as digits as its factorization.

1797139586441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 65.

The spelling of 1797139586441 in words is "one trillion, seven hundred ninety-seven billion, one hundred thirty-nine million, five hundred eighty-six thousand, four hundred forty-one".