35610340621 has 2 divisors, whose sum is σ = 35610340622. Its totient is φ = 35610340620.

The previous prime is 35610340609. The next prime is 35610340637. The reversal of 35610340621 is 12604301653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35206893225 + 403447396 = 187635^2 + 20086^2 .

It is a cyclic number.

It is not a de Polignac number, because 35610340621 - 2¹⁷ = 35610209549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35610344621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17805170310 + 17805170311.

It is an arithmetic number, because the mean of its divisors is an integer number (17805170311).

Almost surely, 2^35610340621 is an apocalyptic number.

It is an amenable number.

35610340621 is a deficient number, since it is larger than the sum of its proper divisors (1).

35610340621 is an equidigital number, since it uses as much as digits as its factorization.

35610340621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 35610340621 in words is "thirty-five billion, six hundred ten million, three hundred forty thousand, six hundred twenty-one".