109699061 has 2 divisors, whose sum is σ = 109699062. Its totient is φ = 109699060.

The previous prime is 109699003. The next prime is 109699087. The reversal of 109699061 is 160996901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100120036 + 9579025 = 10006^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 109699061 - 2¹⁰ = 109698037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109699091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54849530 + 54849531.

It is an arithmetic number, because the mean of its divisors is an integer number (54849531).

Almost surely, 2^109699061 is an apocalyptic number.

It is an amenable number.

109699061 is a deficient number, since it is larger than the sum of its proper divisors (1).

109699061 is an equidigital number, since it uses as much as digits as its factorization.

109699061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 109699061 is about 10473.7319518880. The cubic root of 109699061 is about 478.7046396316.

The spelling of 109699061 in words is "one hundred nine million, six hundred ninety-nine thousand, sixty-one".