1522713977947 has 2 divisors, whose sum is σ = 1522713977948. Its totient is φ = 1522713977946.

The previous prime is 1522713977923. The next prime is 1522713977957. The reversal of 1522713977947 is 7497793172251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1522713977947 - 2⁷ = 1522713977819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1522713977957) 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, 761356988973 + 761356988974.

It is an arithmetic number, because the mean of its divisors is an integer number (761356988974).

Almost surely, 2^{1522713977947} is an apocalyptic number.

1522713977947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522713977947 is an equidigital number, since it uses as much as digits as its factorization.

1522713977947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46675440, while the sum is 64.

The spelling of 1522713977947 in words is "one trillion, five hundred twenty-two billion, seven hundred thirteen million, nine hundred seventy-seven thousand, nine hundred forty-seven".