1098106969 has 2 divisors, whose sum is σ = 1098106970. Its totient is φ = 1098106968.

The previous prime is 1098106967. The next prime is 1098106973. The reversal of 1098106969 is 9696018901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853340944 + 244766025 = 29212^2 + 15645^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098106969 - 2¹ = 1098106967 is a prime.

It is a super-2 number, since 2×1098106969² = 2411677830732733922, which contains 22 as substring.

Together with 1098106967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1098106967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549053484 + 549053485.

It is an arithmetic number, because the mean of its divisors is an integer number (549053485).

Almost surely, 2^1098106969 is an apocalyptic number.

It is an amenable number.

1098106969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098106969 is an equidigital number, since it uses as much as digits as its factorization.

1098106969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 1098106969 is about 33137.6970986217. The cubic root of 1098106969 is about 1031.6876123305.

The spelling of 1098106969 in words is "one billion, ninety-eight million, one hundred six thousand, nine hundred sixty-nine".