9612690866437 has 2 divisors, whose sum is σ = 9612690866438. Its totient is φ = 9612690866436.

The previous prime is 9612690866353. The next prime is 9612690866483. The reversal of 9612690866437 is 7346680962169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8606443138276 + 1006247728161 = 2933674^2 + 1003119^2 .

It is a cyclic number.

It is not a de Polignac number, because 9612690866437 - 2⁴³ = 816597844229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9612690861437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4806345433218 + 4806345433219.

It is an arithmetic number, because the mean of its divisors is an integer number (4806345433219).

Almost surely, 2^{9612690866437} is an apocalyptic number.

It is an amenable number.

9612690866437 is a deficient number, since it is larger than the sum of its proper divisors (1).

9612690866437 is an equidigital number, since it uses as much as digits as its factorization.

9612690866437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141087744, while the sum is 67.

The spelling of 9612690866437 in words is "nine trillion, six hundred twelve billion, six hundred ninety million, eight hundred sixty-six thousand, four hundred thirty-seven".