6972421463377 has 2 divisors, whose sum is σ = 6972421463378. Its totient is φ = 6972421463376.

The previous prime is 6972421463269. The next prime is 6972421463387. The reversal of 6972421463377 is 7733641242796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6765388273296 + 207033190081 = 2601036^2 + 455009^2 .

It is a cyclic number.

It is not a de Polignac number, because 6972421463377 - 2¹¹ = 6972421461329 is a prime.

It is a super-2 number, since 2×6972421463377² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6972421463387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3486210731688 + 3486210731689.

It is an arithmetic number, because the mean of its divisors is an integer number (3486210731689).

Almost surely, 2^{6972421463377} is an apocalyptic number.

It is an amenable number.

6972421463377 is a deficient number, since it is larger than the sum of its proper divisors (1).

6972421463377 is an equidigital number, since it uses as much as digits as its factorization.

6972421463377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64012032, while the sum is 61.

The spelling of 6972421463377 in words is "six trillion, nine hundred seventy-two billion, four hundred twenty-one million, four hundred sixty-three thousand, three hundred seventy-seven".