673848621342 has 48 divisors (see below), whose sum is σ = 1630547296560. Its totient is φ = 207338035392.

The previous prime is 673848621319. The next prime is 673848621379. The reversal of 673848621342 is 243126848376.

673848621342 is a `hidden beast` number, since 6 + 7 + 3 + 8 + 4 + 8 + 621 + 3 + 4 + 2 = 666.

673848621342 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53321367 + ... + 53334002.

It is an arithmetic number, because the mean of its divisors is an integer number (33969735345).

Almost surely, 2^673848621342 is an apocalyptic number.

673848621342 is an abundant number, since it is smaller than the sum of its proper divisors (956698675218).

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

673848621342 is a wasteful number, since it uses less digits than its factorization.

673848621342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106655399 (or 106655387 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The spelling of 673848621342 in words is "six hundred seventy-three billion, eight hundred forty-eight million, six hundred twenty-one thousand, three hundred forty-two".