57473006639 has 2 divisors, whose sum is σ = 57473006640. Its totient is φ = 57473006638.

The previous prime is 57473006597. The next prime is 57473006677. The reversal of 57473006639 is 93660037475.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57473006639 is a prime.

It is a super-5 number, since 5×57473006639⁵ (a number of 55 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57473066639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28736503319 + 28736503320.

It is an arithmetic number, because the mean of its divisors is an integer number (28736503320).

Almost surely, 2^57473006639 is an apocalyptic number.

57473006639 is a deficient number, since it is larger than the sum of its proper divisors (1).

57473006639 is an equidigital number, since it uses as much as digits as its factorization.

57473006639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 50.

The spelling of 57473006639 in words is "fifty-seven billion, four hundred seventy-three million, six thousand, six hundred thirty-nine".