276772142069 has 4 divisors (see below), whose sum is σ = 277662084960. Its totient is φ = 275882199180.

The previous prime is 276772141999. The next prime is 276772142081. The reversal of 276772142069 is 960241277672.

It is a happy number.

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 not a de Polignac number, because 276772142069 - 2⁸ = 276772141813 is a prime.

It is a super-2 number, since 2×276772142069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 276772142069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276772142099) 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, 444970979 + ... + 444971600.

It is an arithmetic number, because the mean of its divisors is an integer number (69415521240).

Almost surely, 2^276772142069 is an apocalyptic number.

It is an amenable number.

276772142069 is a deficient number, since it is larger than the sum of its proper divisors (889942891).

276772142069 is an equidigital number, since it uses as much as digits as its factorization.

276772142069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889942890.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 276772142069 in words is "two hundred seventy-six billion, seven hundred seventy-two million, one hundred forty-two thousand, sixty-nine".