6972421463279 has 4 divisors (see below), whose sum is σ = 7275570222576. Its totient is φ = 6669272703984.

The previous prime is 6972421463269. The next prime is 6972421463377. The reversal of 6972421463279 is 9723641242796.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6972421463279 - 2¹² = 6972421459183 is a prime.

It is a super-2 number, since 2×6972421463279² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6972421463269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151574379614 + ... + 151574379659.

It is an arithmetic number, because the mean of its divisors is an integer number (1818892555644).

Almost surely, 2^{6972421463279} is an apocalyptic number.

6972421463279 is a deficient number, since it is larger than the sum of its proper divisors (303148759297).

6972421463279 is a wasteful number, since it uses less digits than its factorization.

6972421463279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303148759296.

The product of its digits is 54867456, while the sum is 62.

The spelling of 6972421463279 in words is "six trillion, nine hundred seventy-two billion, four hundred twenty-one million, four hundred sixty-three thousand, two hundred seventy-nine".