109698947 has 2 divisors, whose sum is σ = 109698948. Its totient is φ = 109698946.

The previous prime is 109698889. The next prime is 109698961. The reversal of 109698947 is 749896901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109698947 - 2¹⁴ = 109682563 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (109098947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54849473 + 54849474.

It is an arithmetic number, because the mean of its divisors is an integer number (54849474).

Almost surely, 2^109698947 is an apocalyptic number.

109698947 is a deficient number, since it is larger than the sum of its proper divisors (1).

109698947 is an equidigital number, since it uses as much as digits as its factorization.

109698947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 109698947 is about 10473.7265097004. The cubic root of 109698947 is about 478.7044738072.

The spelling of 109698947 in words is "one hundred nine million, six hundred ninety-eight thousand, nine hundred forty-seven".