2457457047 has 6 divisors (see below), whose sum is σ = 3549660192. Its totient is φ = 1638304692.

The previous prime is 2457457027. The next prime is 2457457061. The reversal of 2457457047 is 7407547542.

2457457047 is a `hidden beast` number, since 2 + 4 + 5 + 74 + 570 + 4 + 7 = 666.

It is not a de Polignac number, because 2457457047 - 2⁶ = 2457456983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2457456993 and 2457457011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457457007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136525383 + ... + 136525400.

It is an arithmetic number, because the mean of its divisors is an integer number (591610032).

Almost surely, 2^2457457047 is an apocalyptic number.

2457457047 is a deficient number, since it is larger than the sum of its proper divisors (1092203145).

2457457047 is a wasteful number, since it uses less digits than its factorization.

2457457047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273050789 (or 273050786 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 45.

The square root of 2457457047 is about 49572.7450016640. The cubic root of 2457457047 is about 1349.4660983440.

The spelling of 2457457047 in words is "two billion, four hundred fifty-seven million, four hundred fifty-seven thousand, forty-seven".