35140315781 has 2 divisors, whose sum is σ = 35140315782. Its totient is φ = 35140315780.

The previous prime is 35140315709. The next prime is 35140315823. The reversal of 35140315781 is 18751304153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24681981025 + 10458334756 = 157105^2 + 102266^2 .

It is a cyclic number.

It is not a de Polignac number, because 35140315781 - 2¹⁰ = 35140314757 is a prime.

It is a super-2 number, since 2×35140315781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35140315481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17570157890 + 17570157891.

It is an arithmetic number, because the mean of its divisors is an integer number (17570157891).

Almost surely, 2^35140315781 is an apocalyptic number.

It is an amenable number.

35140315781 is a deficient number, since it is larger than the sum of its proper divisors (1).

35140315781 is an equidigital number, since it uses as much as digits as its factorization.

35140315781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 35140315781 in words is "thirty-five billion, one hundred forty million, three hundred fifteen thousand, seven hundred eighty-one".