276290790506 has 4 divisors (see below), whose sum is σ = 414436185762. Its totient is φ = 138145395252.

The previous prime is 276290790467. The next prime is 276290790509. The reversal of 276290790506 is 605097092672.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 273774865225 + 2515925281 = 523235^2 + 50159^2 .

It is not an unprimeable number, because it can be changed into a prime (276290790509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69072697625 + ... + 69072697628.

Almost surely, 2^276290790506 is an apocalyptic number.

276290790506 is a deficient number, since it is larger than the sum of its proper divisors (138145395256).

276290790506 is a wasteful number, since it uses less digits than its factorization.

276290790506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138145395255.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 276290790506 in words is "two hundred seventy-six billion, two hundred ninety million, seven hundred ninety thousand, five hundred six".