969900181 has 2 divisors, whose sum is σ = 969900182. Its totient is φ = 969900180.

The previous prime is 969900103. The next prime is 969900199. The reversal of 969900181 is 181009969.

969900181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 786297681 + 183602500 = 28041^2 + 13550^2 .

It is a cyclic number.

It is not a de Polignac number, because 969900181 - 2¹⁷ = 969769109 is a prime.

It is a super-2 number, since 2×969900181² = 1881412722207665522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969901181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484950090 + 484950091.

It is an arithmetic number, because the mean of its divisors is an integer number (484950091).

Almost surely, 2^969900181 is an apocalyptic number.

It is an amenable number.

969900181 is a deficient number, since it is larger than the sum of its proper divisors (1).

969900181 is an equidigital number, since it uses as much as digits as its factorization.

969900181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 969900181 is about 31143.2204660982. The cubic root of 969900181 is about 989.8643425316.

The spelling of 969900181 in words is "nine hundred sixty-nine million, nine hundred thousand, one hundred eighty-one".