4949156947487 has 2 divisors, whose sum is σ = 4949156947488. Its totient is φ = 4949156947486.

The previous prime is 4949156947459. The next prime is 4949156947507. The reversal of 4949156947487 is 7847496519494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4949156947487 - 2¹⁰ = 4949156946463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4949156940487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2474578473743 + 2474578473744.

It is an arithmetic number, because the mean of its divisors is an integer number (2474578473744).

Almost surely, 2^{4949156947487} is an apocalyptic number.

4949156947487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4949156947487 is an equidigital number, since it uses as much as digits as its factorization.

4949156947487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2194698240, while the sum is 77.

The spelling of 4949156947487 in words is "four trillion, nine hundred forty-nine billion, one hundred fifty-six million, nine hundred forty-seven thousand, four hundred eighty-seven".