6972421463378 has 32 divisors (see below), whose sum is σ = 12197777212800. Its totient is φ = 2927466403200.

The previous prime is 6972421463377. The next prime is 6972421463387. The reversal of 6972421463378 is 8733641242796.

It is a super-2 number, since 2×6972421463378² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6972421463378.

It is not an unprimeable number, because it can be changed into a prime (6972421463377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22741448 + ... + 23046003.

It is an arithmetic number, because the mean of its divisors is an integer number (381180537900).

Almost surely, 2^{6972421463378} is an apocalyptic number.

6972421463378 is a deficient number, since it is larger than the sum of its proper divisors (5225355749422).

6972421463378 is a wasteful number, since it uses less digits than its factorization.

6972421463378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45787682.

The product of its digits is 73156608, while the sum is 62.

The spelling of 6972421463378 in words is "six trillion, nine hundred seventy-two billion, four hundred twenty-one million, four hundred sixty-three thousand, three hundred seventy-eight".