188464956907 has 2 divisors, whose sum is σ = 188464956908. Its totient is φ = 188464956906.

The previous prime is 188464956821. The next prime is 188464956943. The reversal of 188464956907 is 709659464881.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 188464956907 - 2¹¹ = 188464954859 is a prime.

It is not a weakly prime, because it can be changed into another prime (188464956607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94232478453 + 94232478454.

It is an arithmetic number, because the mean of its divisors is an integer number (94232478454).

Almost surely, 2^188464956907 is an apocalyptic number.

188464956907 is a deficient number, since it is larger than the sum of its proper divisors (1).

188464956907 is an equidigital number, since it uses as much as digits as its factorization.

188464956907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 188464956907 in words is "one hundred eighty-eight billion, four hundred sixty-four million, nine hundred fifty-six thousand, nine hundred seven".