276403912641 has 6 divisors (see below), whose sum is σ = 399250096050. Its totient is φ = 184269275088.

The previous prime is 276403912633. The next prime is 276403912643. The reversal of 276403912641 is 146219304672.

It can be written as a sum of positive squares in only one way, i.e., 267595151616 + 8808761025 = 517296^2 + 93855^2 .

It is not a de Polignac number, because 276403912641 - 2³ = 276403912633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276403912643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15355772916 + ... + 15355772933.

It is an arithmetic number, because the mean of its divisors is an integer number (66541682675).

Almost surely, 2^276403912641 is an apocalyptic number.

It is an amenable number.

276403912641 is a deficient number, since it is larger than the sum of its proper divisors (122846183409).

276403912641 is a wasteful number, since it uses less digits than its factorization.

276403912641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30711545855 (or 30711545852 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 276403912641 in words is "two hundred seventy-six billion, four hundred three million, nine hundred twelve thousand, six hundred forty-one".