2047547766479 has 2 divisors, whose sum is σ = 2047547766480. Its totient is φ = 2047547766478.

The previous prime is 2047547766449. The next prime is 2047547766491. The reversal of 2047547766479 is 9746677457402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2047547766479 - 2¹² = 2047547762383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047547766449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023773883239 + 1023773883240.

It is an arithmetic number, because the mean of its divisors is an integer number (1023773883240).

Almost surely, 2^{2047547766479} is an apocalyptic number.

2047547766479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047547766479 is an equidigital number, since it uses as much as digits as its factorization.

2047547766479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497871360, while the sum is 68.

The spelling of 2047547766479 in words is "two trillion, forty-seven billion, five hundred forty-seven million, seven hundred sixty-six thousand, four hundred seventy-nine".