276645146746357 has 2 divisors, whose sum is σ = 276645146746358. Its totient is φ = 276645146746356.

The previous prime is 276645146746271. The next prime is 276645146746459. The reversal of 276645146746357 is 753647641546672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267413217495076 + 9231929251281 = 16352774^2 + 3038409^2 .

It is a cyclic number.

It is not a de Polignac number, because 276645146746357 - 2³⁹ = 276095390932469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 276645146746357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276645146741357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138322573373178 + 138322573373179.

It is an arithmetic number, because the mean of its divisors is an integer number (138322573373179).

Almost surely, 2^{276645146746357} is an apocalyptic number.

It is an amenable number.

276645146746357 is a deficient number, since it is larger than the sum of its proper divisors (1).

276645146746357 is an equidigital number, since it uses as much as digits as its factorization.

276645146746357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4267468800, while the sum is 73.

The spelling of 276645146746357 in words is "two hundred seventy-six trillion, six hundred forty-five billion, one hundred forty-six million, seven hundred forty-six thousand, three hundred fifty-seven".