6723931045 has 16 divisors (see below), whose sum is σ = 8691846912. Its totient is φ = 4963959360.

The previous prime is 6723931037. The next prime is 6723931073. The reversal of 6723931045 is 5401393276.

It is a happy number.

It is not a de Polignac number, because 6723931045 - 2³ = 6723931037 is a prime.

It is a super-2 number, since 2×6723931045² = 90422497395829584050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6723930989 and 6723931007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254634 + ... + 279796.

It is an arithmetic number, because the mean of its divisors is an integer number (543240432).

Almost surely, 2^6723931045 is an apocalyptic number.

6723931045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6723931045 is a deficient number, since it is larger than the sum of its proper divisors (1967915867).

6723931045 is a wasteful number, since it uses less digits than its factorization.

6723931045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29292.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 6723931045 is about 81999.5795416050. The cubic root of 6723931045 is about 1887.4454860211.

The spelling of 6723931045 in words is "six billion, seven hundred twenty-three million, nine hundred thirty-one thousand, forty-five".