57410820646 has 4 divisors (see below), whose sum is σ = 86116230972. Its totient is φ = 28705410322.

The previous prime is 57410820617. The next prime is 57410820647. The reversal of 57410820646 is 64602801475.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57410820647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14352705160 + ... + 14352705163.

It is an arithmetic number, because the mean of its divisors is an integer number (21529057743).

Almost surely, 2^57410820646 is an apocalyptic number.

57410820646 is a deficient number, since it is larger than the sum of its proper divisors (28705410326).

57410820646 is a wasteful number, since it uses less digits than its factorization.

57410820646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28705410325.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 57410820646 in words is "fifty-seven billion, four hundred ten million, eight hundred twenty thousand, six hundred forty-six".