40761867810869 has 2 divisors, whose sum is σ = 40761867810870. Its totient is φ = 40761867810868.

The previous prime is 40761867810793. The next prime is 40761867810877. The reversal of 40761867810869 is 96801876816704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39736154610244 + 1025713200625 = 6303662^2 + 1012775^2 .

It is a cyclic number.

It is not a de Polignac number, because 40761867810869 - 2³² = 40757572843573 is a prime.

It is a super-2 number, since 2×40761867810869² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40761867860869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20380933905434 + 20380933905435.

It is an arithmetic number, because the mean of its divisors is an integer number (20380933905435).

Almost surely, 2^{40761867810869} is an apocalyptic number.

It is an amenable number.

40761867810869 is a deficient number, since it is larger than the sum of its proper divisors (1).

40761867810869 is an equidigital number, since it uses as much as digits as its factorization.

40761867810869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 71.

The spelling of 40761867810869 in words is "forty trillion, seven hundred sixty-one billion, eight hundred sixty-seven million, eight hundred ten thousand, eight hundred sixty-nine".