6781398058337 has 16 divisors (see below), whose sum is σ = 7938979141632. Its totient is φ = 5671766730960.

The previous prime is 6781398058313. The next prime is 6781398058367. The reversal of 6781398058337 is 7338508931876.

It is a cyclic number.

It is not a de Polignac number, because 6781398058337 - 2³⁸ = 6506520151393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6781398058307) 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, 31027283 + ... + 31245080.

It is an arithmetic number, because the mean of its divisors is an integer number (496186196352).

Almost surely, 2^{6781398058337} is an apocalyptic number.

It is an amenable number.

6781398058337 is a deficient number, since it is larger than the sum of its proper divisors (1157581083295).

6781398058337 is a wasteful number, since it uses less digits than its factorization.

6781398058337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62272748.

The product of its (nonzero) digits is 182891520, while the sum is 68.

The spelling of 6781398058337 in words is "six trillion, seven hundred eighty-one billion, three hundred ninety-eight million, fifty-eight thousand, three hundred thirty-seven".