2013863597257 has 8 divisors (see below), whose sum is σ = 2083456857600. Its totient is φ = 1944559706880.

The previous prime is 2013863597219. The next prime is 2013863597261. The reversal of 2013863597257 is 7527953683102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2013863597257 - 2¹¹ = 2013863595209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013863597287) 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, 72328333 + ... + 72356170.

It is an arithmetic number, because the mean of its divisors is an integer number (260432107200).

Almost surely, 2^{2013863597257} is an apocalyptic number.

It is an amenable number.

2013863597257 is a deficient number, since it is larger than the sum of its proper divisors (69593260343).

2013863597257 is a wasteful number, since it uses less digits than its factorization.

2013863597257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144684983.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 2013863597257 in words is "two trillion, thirteen billion, eight hundred sixty-three million, five hundred ninety-seven thousand, two hundred fifty-seven".