2057613281812 has 24 divisors (see below), whose sum is σ = 4011748917120. Its totient is φ = 915379215360.

The previous prime is 2057613281809. The next prime is 2057613281813. The reversal of 2057613281812 is 2181823167502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057613281813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497486637 + ... + 497490772.

It is an arithmetic number, because the mean of its divisors is an integer number (167156204880).

Almost surely, 2^{2057613281812} is an apocalyptic number.

2057613281812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2057613281812 is a deficient number, since it is larger than the sum of its proper divisors (1954135635308).

2057613281812 is a wasteful number, since it uses less digits than its factorization.

2057613281812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994977471 (or 994977469 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 2057613281812 in words is "two trillion, fifty-seven billion, six hundred thirteen million, two hundred eighty-one thousand, eight hundred twelve".