109469947 has 2 divisors, whose sum is σ = 109469948. Its totient is φ = 109469946.

The previous prime is 109469933. The next prime is 109470007. The reversal of 109469947 is 749964901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109469947 - 2¹⁹ = 108945659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109469947.

It is not a weakly prime, because it can be changed into another prime (109469917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54734973 + 54734974.

It is an arithmetic number, because the mean of its divisors is an integer number (54734974).

Almost surely, 2^109469947 is an apocalyptic number.

109469947 is a deficient number, since it is larger than the sum of its proper divisors (1).

109469947 is an equidigital number, since it uses as much as digits as its factorization.

109469947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 109469947 is about 10462.7886817999. The cubic root of 109469947 is about 478.3711382046.

The spelling of 109469947 in words is "one hundred nine million, four hundred sixty-nine thousand, nine hundred forty-seven".