6923620454751 has 64 divisors (see below), whose sum is σ = 13771925744640. Its totient is φ = 3320017787520.

The previous prime is 6923620454719. The next prime is 6923620454879. The reversal of 6923620454751 is 1574540263296.

It is a happy number.

6923620454751 is a `hidden beast` number, since 6 + 9 + 2 + 3 + 620 + 4 + 5 + 4 + 7 + 5 + 1 = 666.

It is not a de Polignac number, because 6923620454751 - 2⁵ = 6923620454719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6923620450751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128060080 + ... + 128114133.

It is an arithmetic number, because the mean of its divisors is an integer number (215186339760).

Almost surely, 2^{6923620454751} is an apocalyptic number.

6923620454751 is a deficient number, since it is larger than the sum of its proper divisors (6848305289889).

6923620454751 is a wasteful number, since it uses less digits than its factorization.

6923620454751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256174253 (or 256174247 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 6923620454751 in words is "six trillion, nine hundred twenty-three billion, six hundred twenty million, four hundred fifty-four thousand, seven hundred fifty-one".