34790794444781 has 2 divisors, whose sum is σ = 34790794444782. Its totient is φ = 34790794444780.

The previous prime is 34790794444733. The next prime is 34790794444801. The reversal of 34790794444781 is 18744449709743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30032964694756 + 4757829750025 = 5480234^2 + 2181245^2 .

It is an emirp because it is prime and its reverse (18744449709743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34790794444781 - 2⁶ = 34790794444717 is a prime.

It is a super-2 number, since 2×34790794444781² (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 (34790794446781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17395397222390 + 17395397222391.

It is an arithmetic number, because the mean of its divisors is an integer number (17395397222391).

Almost surely, 2^{34790794444781} is an apocalyptic number.

It is an amenable number.

34790794444781 is a deficient number, since it is larger than the sum of its proper divisors (1).

34790794444781 is an equidigital number, since it uses as much as digits as its factorization.

34790794444781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 682795008, while the sum is 71.

The spelling of 34790794444781 in words is "thirty-four trillion, seven hundred ninety billion, seven hundred ninety-four million, four hundred forty-four thousand, seven hundred eighty-one".