269981061 has 32 divisors (see below), whose sum is σ = 431308800. Its totient is φ = 146872704.

The previous prime is 269981057. The next prime is 269981071. The reversal of 269981061 is 160189962.

It is not a de Polignac number, because 269981061 - 2² = 269981057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269981011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111340 + ... + 113738.

It is an arithmetic number, because the mean of its divisors is an integer number (13478400).

Almost surely, 2^269981061 is an apocalyptic number.

269981061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

269981061 is a deficient number, since it is larger than the sum of its proper divisors (161327739).

269981061 is a wasteful number, since it uses less digits than its factorization.

269981061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 269981061 is about 16431.1004196311. The cubic root of 269981061 is about 646.3152944938.

The spelling of 269981061 in words is "two hundred sixty-nine million, nine hundred eighty-one thousand, sixty-one".