913216907 has 2 divisors, whose sum is σ = 913216908. Its totient is φ = 913216906.

The previous prime is 913216877. The next prime is 913216921. The reversal of 913216907 is 709612319.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 913216907 - 2¹⁴ = 913200523 is a prime.

It is not a weakly prime, because it can be changed into another prime (913216937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456608453 + 456608454.

It is an arithmetic number, because the mean of its divisors is an integer number (456608454).

Almost surely, 2^913216907 is an apocalyptic number.

913216907 is a deficient number, since it is larger than the sum of its proper divisors (1).

913216907 is an equidigital number, since it uses as much as digits as its factorization.

913216907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 913216907 is about 30219.4789332973. The cubic root of 913216907 is about 970.1926520667.

The spelling of 913216907 in words is "nine hundred thirteen million, two hundred sixteen thousand, nine hundred seven".