6901289513 has 4 divisors (see below), whose sum is σ = 6904598400. Its totient is φ = 6897980628.

The previous prime is 6901289503. The next prime is 6901289537. The reversal of 6901289513 is 3159821096.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6901289513 - 2²⁰ = 6900240937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6901289503) 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, 1651313 + ... + 1655486.

It is an arithmetic number, because the mean of its divisors is an integer number (1726149600).

Almost surely, 2^6901289513 is an apocalyptic number.

It is an amenable number.

6901289513 is a deficient number, since it is larger than the sum of its proper divisors (3308887).

6901289513 is a wasteful number, since it uses less digits than its factorization.

6901289513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308886.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 6901289513 is about 83074.0002226930. Note that the first 3 decimals coincide. The cubic root of 6901289513 is about 1903.8968510407.

The spelling of 6901289513 in words is "six billion, nine hundred one million, two hundred eighty-nine thousand, five hundred thirteen".