6917139053 has 4 divisors (see below), whose sum is σ = 7545969888. Its totient is φ = 6288308220.

The previous prime is 6917139029. The next prime is 6917139079. The reversal of 6917139053 is 3509317196.

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 6917139053 - 2⁸ = 6917138797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6917138995 and 6917139013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6917139253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314415401 + ... + 314415422.

It is an arithmetic number, because the mean of its divisors is an integer number (1886492472).

Almost surely, 2^6917139053 is an apocalyptic number.

It is an amenable number.

6917139053 is a deficient number, since it is larger than the sum of its proper divisors (628830835).

6917139053 is a wasteful number, since it uses less digits than its factorization.

6917139053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628830834.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 6917139053 is about 83169.3396210406. The cubic root of 6917139053 is about 1905.3532367381.

The spelling of 6917139053 in words is "six billion, nine hundred seventeen million, one hundred thirty-nine thousand, fifty-three".