276421051009 has 8 divisors (see below), whose sum is σ = 278456466600. Its totient is φ = 274389113856.

The previous prime is 276421051001. The next prime is 276421051013. The reversal of 276421051009 is 900150124672.

It can be written as a sum of positive squares in 4 ways, for example, as 49716512784 + 226704538225 = 222972^2 + 476135^2 .

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 276421051009 - 2³ = 276421051001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276421051001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709984 + ... + 1028065.

It is an arithmetic number, because the mean of its divisors is an integer number (34807058325).

Almost surely, 2^276421051009 is an apocalyptic number.

It is an amenable number.

276421051009 is a deficient number, since it is larger than the sum of its proper divisors (2035415591).

276421051009 is a wasteful number, since it uses less digits than its factorization.

276421051009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739219.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 276421051009 in words is "two hundred seventy-six billion, four hundred twenty-one million, fifty-one thousand, nine".