10618969 has 2 divisors, whose sum is σ = 10618970. Its totient is φ = 10618968.

The previous prime is 10618919. The next prime is 10618981. The reversal of 10618969 is 96981601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10163344 + 455625 = 3188^2 + 675^2 .

It is a cyclic number.

It is not a de Polignac number, because 10618969 - 2⁹ = 10618457 is a prime.

It is a super-2 number, since 2×10618969² = 225525005245922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10618919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5309484 + 5309485.

It is an arithmetic number, because the mean of its divisors is an integer number (5309485).

Almost surely, 2^10618969 is an apocalyptic number.

It is an amenable number.

10618969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10618969 is an equidigital number, since it uses as much as digits as its factorization.

10618969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 10618969 is about 3258.6759581155. The cubic root of 10618969 is about 219.7998800022.

The spelling of 10618969 in words is "ten million, six hundred eighteen thousand, nine hundred sixty-nine".