276742145633441 has 4 divisors (see below), whose sum is σ = 276765712207872. Its totient is φ = 276718579059012.

The previous prime is 276742145633423. The next prime is 276742145633587. The reversal of 276742145633441 is 144336541247672.

276742145633441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276742145633441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276742145633641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11783269601 + ... + 11783293086.

It is an arithmetic number, because the mean of its divisors is an integer number (69191428051968).

Almost surely, 2^{276742145633441} is an apocalyptic number.

It is an amenable number.

276742145633441 is a deficient number, since it is larger than the sum of its proper divisors (23566574431).

276742145633441 is a wasteful number, since it uses less digits than its factorization.

276742145633441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23566574430.

The product of its digits is 81285120, while the sum is 59.

The spelling of 276742145633441 in words is "two hundred seventy-six trillion, seven hundred forty-two billion, one hundred forty-five million, six hundred thirty-three thousand, four hundred forty-one".