6720627773251 has 8 divisors (see below), whose sum is σ = 7806630856544. Its totient is φ = 5666103040320.

The previous prime is 6720627773227. The next prime is 6720627773287. The reversal of 6720627773251 is 1523777260276.

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 6720627773251 - 2⁵ = 6720627773219 is a prime.

It is a super-2 number, since 2×6720627773251² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6720627773192 and 6720627773201.

It is not an unprimeable number, because it can be changed into a prime (6720627773291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7869587130 + ... + 7869587983.

It is an arithmetic number, because the mean of its divisors is an integer number (975828857068).

Almost surely, 2^{6720627773251} is an apocalyptic number.

6720627773251 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6720627773251 is a deficient number, since it is larger than the sum of its proper divisors (1086003083293).

6720627773251 is a wasteful number, since it uses less digits than its factorization.

6720627773251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739175181.

The product of its (nonzero) digits is 10372320, while the sum is 55.

The spelling of 6720627773251 in words is "six trillion, seven hundred twenty billion, six hundred twenty-seven million, seven hundred seventy-three thousand, two hundred fifty-one".