109697470489 has 2 divisors, whose sum is σ = 109697470490. Its totient is φ = 109697470488.

The previous prime is 109697470457. The next prime is 109697470601. The reversal of 109697470489 is 984074796901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107316518464 + 2380952025 = 327592^2 + 48795^2 .

It is a cyclic number.

It is not a de Polignac number, because 109697470489 - 2⁵ = 109697470457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109697470489.

It is not a weakly prime, because it can be changed into another prime (109697473489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54848735244 + 54848735245.

It is an arithmetic number, because the mean of its divisors is an integer number (54848735245).

Almost surely, 2^109697470489 is an apocalyptic number.

It is an amenable number.

109697470489 is a deficient number, since it is larger than the sum of its proper divisors (1).

109697470489 is an equidigital number, since it uses as much as digits as its factorization.

109697470489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 109697470489 in words is "one hundred nine billion, six hundred ninety-seven million, four hundred seventy thousand, four hundred eighty-nine".