261969336074 has 8 divisors (see below), whose sum is σ = 393004672320. Its totient is φ = 130967778636.

The previous prime is 261969336071. The next prime is 261969336119. The reversal of 261969336074 is 470633969162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (261969336071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8425304 + ... + 8456339.

It is an arithmetic number, because the mean of its divisors is an integer number (49125584040).

Almost surely, 2^261969336074 is an apocalyptic number.

261969336074 is a deficient number, since it is larger than the sum of its proper divisors (131035336246).

261969336074 is a wasteful number, since it uses less digits than its factorization.

261969336074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16889404.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 261969336074 in words is "two hundred sixty-one billion, nine hundred sixty-nine million, three hundred thirty-six thousand, seventy-four".