1013870843039 has 4 divisors (see below), whose sum is σ = 1013892540360. Its totient is φ = 1013849145720.

The previous prime is 1013870843009. The next prime is 1013870843047. The reversal of 1013870843039 is 9303480783101.

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

It is a cyclic number.

It is not a de Polignac number, because 1013870843039 - 2⁸ = 1013870842783 is a prime.

It is a super-2 number, since 2×1013870843039² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013870842984 and 1013870843002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013870843009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10778417 + ... + 10872074.

It is an arithmetic number, because the mean of its divisors is an integer number (253473135090).

Almost surely, 2^{1013870843039} is an apocalyptic number.

1013870843039 is a deficient number, since it is larger than the sum of its proper divisors (21697321).

1013870843039 is an equidigital number, since it uses as much as digits as its factorization.

1013870843039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21697320.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 1013870843039 in words is "one trillion, thirteen billion, eight hundred seventy million, eight hundred forty-three thousand, thirty-nine".