109647953 has 2 divisors, whose sum is σ = 109647954. Its totient is φ = 109647952.

The previous prime is 109647949. The next prime is 109647991. The reversal of 109647953 is 359746901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67436944 + 42211009 = 8212^2 + 6497^2 .

It is a cyclic number.

It is not a de Polignac number, because 109647953 - 2² = 109647949 is a prime.

It is not a weakly prime, because it can be changed into another prime (109647913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54823976 + 54823977.

It is an arithmetic number, because the mean of its divisors is an integer number (54823977).

Almost surely, 2^109647953 is an apocalyptic number.

It is an amenable number.

109647953 is a deficient number, since it is larger than the sum of its proper divisors (1).

109647953 is an equidigital number, since it uses as much as digits as its factorization.

109647953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 109647953 is about 10471.2918496239. The cubic root of 109647953 is about 478.6302864058.

The spelling of 109647953 in words is "one hundred nine million, six hundred forty-seven thousand, nine hundred fifty-three".