6979401953 has 4 divisors (see below), whose sum is σ = 6983511600. Its totient is φ = 6975292308.

The previous prime is 6979401943. The next prime is 6979401973. The reversal of 6979401953 is 3591049796.

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 6979401953 - 2²⁰ = 6978353377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6979401895 and 6979401904.

It is not an unprimeable number, because it can be changed into a prime (6979401943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052275 + ... + 2055672.

It is an arithmetic number, because the mean of its divisors is an integer number (1745877900).

Almost surely, 2^6979401953 is an apocalyptic number.

It is an amenable number.

6979401953 is a deficient number, since it is larger than the sum of its proper divisors (4109647).

6979401953 is a wasteful number, since it uses less digits than its factorization.

6979401953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109646.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 6979401953 is about 83542.8150890308. The cubic root of 6979401953 is about 1911.0530228595.

The spelling of 6979401953 in words is "six billion, nine hundred seventy-nine million, four hundred one thousand, nine hundred fifty-three".