4971573780487 has 2 divisors, whose sum is σ = 4971573780488. Its totient is φ = 4971573780486.

The previous prime is 4971573780463. The next prime is 4971573780497. The reversal of 4971573780487 is 7840873751794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4971573780487 - 2⁷ = 4971573780359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4971573780497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485786890243 + 2485786890244.

It is an arithmetic number, because the mean of its divisors is an integer number (2485786890244).

Almost surely, 2^{4971573780487} is an apocalyptic number.

4971573780487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4971573780487 is an equidigital number, since it uses as much as digits as its factorization.

4971573780487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331914240, while the sum is 70.

The spelling of 4971573780487 in words is "four trillion, nine hundred seventy-one billion, five hundred seventy-three million, seven hundred eighty thousand, four hundred eighty-seven".