67813357722044 has 48 divisors (see below), whose sum is σ = 132620879446272. Its totient is φ = 30072123120000.

The previous prime is 67813357721999. The next prime is 67813357722101. The reversal of 67813357722044 is 44022775331876.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274501259 + ... + 274748189.

It is an arithmetic number, because the mean of its divisors is an integer number (2762934988464).

Almost surely, 2^{67813357722044} is an apocalyptic number.

It is an amenable number.

67813357722044 is a deficient number, since it is larger than the sum of its proper divisors (64807521724228).

67813357722044 is a wasteful number, since it uses less digits than its factorization.

67813357722044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399218 (or 399216 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 59.

The spelling of 67813357722044 in words is "sixty-seven trillion, eight hundred thirteen billion, three hundred fifty-seven million, seven hundred twenty-two thousand, forty-four".