35012421709 has 2 divisors, whose sum is σ = 35012421710. Its totient is φ = 35012421708.

The previous prime is 35012421641. The next prime is 35012421799. The reversal of 35012421709 is 90712421053.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34297928809 + 714492900 = 185197^2 + 26730^2 .

It is an emirp because it is prime and its reverse (90712421053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35012421709 - 2⁷ = 35012421581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35012421799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17506210854 + 17506210855.

It is an arithmetic number, because the mean of its divisors is an integer number (17506210855).

Almost surely, 2^35012421709 is an apocalyptic number.

It is an amenable number.

35012421709 is a deficient number, since it is larger than the sum of its proper divisors (1).

35012421709 is an equidigital number, since it uses as much as digits as its factorization.

35012421709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 35012421709 in words is "thirty-five billion, twelve million, four hundred twenty-one thousand, seven hundred nine".