275277500049 has 4 divisors (see below), whose sum is σ = 367036666736. Its totient is φ = 183518333364.

The previous prime is 275277499993. The next prime is 275277500053. The reversal of 275277500049 is 940005772572.

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 not a de Polignac number, because 275277500049 - 2⁹ = 275277499537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275277499980 and 275277500007.

It is not an unprimeable number, because it can be changed into a prime (275277500059) 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, 45879583339 + ... + 45879583344.

It is an arithmetic number, because the mean of its divisors is an integer number (91759166684).

Almost surely, 2^275277500049 is an apocalyptic number.

It is an amenable number.

275277500049 is a deficient number, since it is larger than the sum of its proper divisors (91759166687).

275277500049 is an equidigital number, since it uses as much as digits as its factorization.

275277500049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91759166686.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 275277500049 in words is "two hundred seventy-five billion, two hundred seventy-seven million, five hundred thousand, forty-nine".