109746947 has 2 divisors, whose sum is σ = 109746948. Its totient is φ = 109746946.

The previous prime is 109746937. The next prime is 109746971. The reversal of 109746947 is 749647901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109746947 is a prime.

It is not a weakly prime, because it can be changed into another prime (109746937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54873473 + 54873474.

It is an arithmetic number, because the mean of its divisors is an integer number (54873474).

Almost surely, 2^109746947 is an apocalyptic number.

109746947 is a deficient number, since it is larger than the sum of its proper divisors (1).

109746947 is an equidigital number, since it uses as much as digits as its factorization.

109746947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 109746947 is about 10476.0177071252. The cubic root of 109746947 is about 478.7742844565.

The spelling of 109746947 in words is "one hundred nine million, seven hundred forty-six thousand, nine hundred forty-seven".