6910321945 has 8 divisors (see below), whose sum is σ = 8728827840. Its totient is φ = 5237296560.

The previous prime is 6910321931. The next prime is 6910321973. The reversal of 6910321945 is 5491230196.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6910321945 - 2²⁹ = 6373451033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6910321898 and 6910321907.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36370021 + ... + 36370210.

It is an arithmetic number, because the mean of its divisors is an integer number (1091103480).

Almost surely, 2^6910321945 is an apocalyptic number.

It is an amenable number.

6910321945 is a deficient number, since it is larger than the sum of its proper divisors (1818505895).

6910321945 is a wasteful number, since it uses less digits than its factorization.

6910321945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72740255.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 6910321945 is about 83128.3462183628. The cubic root of 6910321945 is about 1904.7270979021.

The spelling of 6910321945 in words is "six billion, nine hundred ten million, three hundred twenty-one thousand, nine hundred forty-five".