6724155545 has 8 divisors (see below), whose sum is σ = 8079244224. Its totient is φ = 5372486064.

The previous prime is 6724155539. The next prime is 6724155551. The reversal of 6724155545 is 5455514276.

It is an interprime number because it is at equal distance from previous prime (6724155539) and next prime (6724155551).

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

It is a cyclic number.

It is not a de Polignac number, because 6724155545 - 2⁸ = 6724155289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6724155496 and 6724155505.

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, 850469 + ... + 858338.

It is an arithmetic number, because the mean of its divisors is an integer number (1009905528).

Almost surely, 2^6724155545 is an apocalyptic number.

It is an amenable number.

6724155545 is a deficient number, since it is larger than the sum of its proper divisors (1355088679).

6724155545 is a wasteful number, since it uses less digits than its factorization.

6724155545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709599.

The product of its digits is 840000, while the sum is 44.

The square root of 6724155545 is about 82000.9484396370. The cubic root of 6724155545 is about 1887.4664919274.

The spelling of 6724155545 in words is "six billion, seven hundred twenty-four million, one hundred fifty-five thousand, five hundred forty-five".