6923543634642 has 32 divisors (see below), whose sum is σ = 14901976283904. Its totient is φ = 2136484051200.

The previous prime is 6923543634641. The next prime is 6923543634661. The reversal of 6923543634642 is 2464363453296.

It is not an unprimeable number, because it can be changed into a prime (6923543634641) 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, 556369834 + ... + 556382277.

It is an arithmetic number, because the mean of its divisors is an integer number (465686758872).

Almost surely, 2^{6923543634642} is an apocalyptic number.

6923543634642 is an abundant number, since it is smaller than the sum of its proper divisors (7978432649262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6923543634642 is a wasteful number, since it uses less digits than its factorization.

6923543634642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112752194.

The product of its digits is 67184640, while the sum is 57.

The spelling of 6923543634642 in words is "six trillion, nine hundred twenty-three billion, five hundred forty-three million, six hundred thirty-four thousand, six hundred forty-two".