275402937947 has 2 divisors, whose sum is σ = 275402937948. Its totient is φ = 275402937946.

The previous prime is 275402937881. The next prime is 275402937959. The reversal of 275402937947 is 749739204572.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275402937947 - 2¹² = 275402933851 is a prime.

It is not a weakly prime, because it can be changed into another prime (275402937967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137701468973 + 137701468974.

It is an arithmetic number, because the mean of its divisors is an integer number (137701468974).

Almost surely, 2^275402937947 is an apocalyptic number.

275402937947 is a deficient number, since it is larger than the sum of its proper divisors (1).

275402937947 is an equidigital number, since it uses as much as digits as its factorization.

275402937947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 275402937947 in words is "two hundred seventy-five billion, four hundred two million, nine hundred thirty-seven thousand, nine hundred forty-seven".