57481673363 has 2 divisors, whose sum is σ = 57481673364. Its totient is φ = 57481673362.

The previous prime is 57481673357. The next prime is 57481673383. The reversal of 57481673363 is 36337618475.

57481673363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57481673363 is a prime.

It is a super-2 number, since 2×57481673363² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57481673383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28740836681 + 28740836682.

It is an arithmetic number, because the mean of its divisors is an integer number (28740836682).

Almost surely, 2^57481673363 is an apocalyptic number.

57481673363 is a deficient number, since it is larger than the sum of its proper divisors (1).

57481673363 is an equidigital number, since it uses as much as digits as its factorization.

57481673363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 53.

The spelling of 57481673363 in words is "fifty-seven billion, four hundred eighty-one million, six hundred seventy-three thousand, three hundred sixty-three".