1863883562513 has 16 divisors (see below), whose sum is σ = 2150438544000. Its totient is φ = 1582418939136.

The previous prime is 1863883562491. The next prime is 1863883562551. The reversal of 1863883562513 is 3152653883681.

It is not a de Polignac number, because 1863883562513 - 2⁸ = 1863883562257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1863883562113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399731 + ... + 1971687.

It is an arithmetic number, because the mean of its divisors is an integer number (134402409000).

Almost surely, 2^{1863883562513} is an apocalyptic number.

It is an amenable number.

1863883562513 is a deficient number, since it is larger than the sum of its proper divisors (286554981487).

1863883562513 is a wasteful number, since it uses less digits than its factorization.

1863883562513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573576.

The product of its digits is 24883200, while the sum is 59.

The spelling of 1863883562513 in words is "one trillion, eight hundred sixty-three billion, eight hundred eighty-three million, five hundred sixty-two thousand, five hundred thirteen".