261441434762733 has 8 divisors (see below), whose sum is σ = 348634953078048. Its totient is φ = 174271103144624.

The previous prime is 261441434762693. The next prime is 261441434762749. The reversal of 261441434762733 is 337267434144162.

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

It is a cyclic number.

It is not a de Polignac number, because 261441434762733 - 2¹³ = 261441434754541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261441434761733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5796647991 + ... + 5796693092.

It is an arithmetic number, because the mean of its divisors is an integer number (43579369134756).

Almost surely, 2^{261441434762733} is an apocalyptic number.

It is an amenable number.

261441434762733 is a deficient number, since it is larger than the sum of its proper divisors (87193518315315).

261441434762733 is a wasteful number, since it uses less digits than its factorization.

261441434762733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11593348603.

The product of its digits is 48771072, while the sum is 57.

The spelling of 261441434762733 in words is "two hundred sixty-one trillion, four hundred forty-one billion, four hundred thirty-four million, seven hundred sixty-two thousand, seven hundred thirty-three".