2047414642457 has 4 divisors (see below), whose sum is σ = 2066198263140. Its totient is φ = 2028631021776.

The previous prime is 2047414642423. The next prime is 2047414642513. The reversal of 2047414642457 is 7542464147402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1380822407056 + 666592235401 = 1175084^2 + 816451^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047414642457 - 2⁶ = 2047414642393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047414642057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9391810178 + ... + 9391810395.

It is an arithmetic number, because the mean of its divisors is an integer number (516549565785).

Almost surely, 2^{2047414642457} is an apocalyptic number.

It is an amenable number.

2047414642457 is a deficient number, since it is larger than the sum of its proper divisors (18783620683).

2047414642457 is a wasteful number, since it uses less digits than its factorization.

2047414642457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18783620682.

The product of its (nonzero) digits is 6021120, while the sum is 50.

Adding to 2047414642457 its reverse (7542464147402), we get a palindrome (9589878789859).

The spelling of 2047414642457 in words is "two trillion, forty-seven billion, four hundred fourteen million, six hundred forty-two thousand, four hundred fifty-seven".