6919964254 has 16 divisors (see below), whose sum is σ = 12115196928. Its totient is φ = 2902598712.

The previous prime is 6919964221. The next prime is 6919964321. The reversal of 6919964254 is 4524699196.

It is a junction number, because it is equal to n+sod(n) for n = 6919964195 and 6919964204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5257674 + ... + 5258989.

It is an arithmetic number, because the mean of its divisors is an integer number (757199808).

Almost surely, 2^6919964254 is an apocalyptic number.

6919964254 is a deficient number, since it is larger than the sum of its proper divisors (5195232674).

6919964254 is a wasteful number, since it uses less digits than its factorization.

6919964254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516719.

The product of its digits is 4199040, while the sum is 55.

The square root of 6919964254 is about 83186.3225175870. The cubic root of 6919964254 is about 1905.6126056826.

The spelling of 6919964254 in words is "six billion, nine hundred nineteen million, nine hundred sixty-four thousand, two hundred fifty-four".