3500961340691 has 2 divisors, whose sum is σ = 3500961340692. Its totient is φ = 3500961340690.

The previous prime is 3500961340673. The next prime is 3500961340693. The reversal of 3500961340691 is 1960431690053.

3500961340691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3500961340691 - 2¹⁴ = 3500961324307 is a prime.

Together with 3500961340693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3500961340693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1750480670345 + 1750480670346.

It is an arithmetic number, because the mean of its divisors is an integer number (1750480670346).

Almost surely, 2^{3500961340691} is an apocalyptic number.

3500961340691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3500961340691 is an equidigital number, since it uses as much as digits as its factorization.

3500961340691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 3500961340691 in words is "three trillion, five hundred billion, nine hundred sixty-one million, three hundred forty thousand, six hundred ninety-one".