1013699687 has 24 divisors (see below), whose sum is σ = 1368547200. Its totient is φ = 729125280.

The previous prime is 1013699683. The next prime is 1013699719. The reversal of 1013699687 is 7869963101.

It is not a de Polignac number, because 1013699687 - 2² = 1013699683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013699683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25937 + ... + 51962.

It is an arithmetic number, because the mean of its divisors is an integer number (57022800).

Almost surely, 2^1013699687 is an apocalyptic number.

1013699687 is a deficient number, since it is larger than the sum of its proper divisors (354847513).

1013699687 is a wasteful number, since it uses less digits than its factorization.

1013699687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77943 (or 77930 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1013699687 is about 31838.6508351092. The cubic root of 1013699687 is about 1004.5458661213.

The spelling of 1013699687 in words is "one billion, thirteen million, six hundred ninety-nine thousand, six hundred eighty-seven".