6494396793149 has 4 divisors (see below), whose sum is σ = 6776761871136. Its totient is φ = 6212031715164.

The previous prime is 6494396793119. The next prime is 6494396793169. The reversal of 6494396793149 is 9413976934946.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6494396793149 - 2²⁸ = 6494128357693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494396793119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141182538959 + ... + 141182539004.

It is an arithmetic number, because the mean of its divisors is an integer number (1694190467784).

Almost surely, 2^{6494396793149} is an apocalyptic number.

It is an amenable number.

6494396793149 is a deficient number, since it is larger than the sum of its proper divisors (282365077987).

6494396793149 is a wasteful number, since it uses less digits than its factorization.

6494396793149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282365077986.

The product of its digits is 952342272, while the sum is 74.

The spelling of 6494396793149 in words is "six trillion, four hundred ninety-four billion, three hundred ninety-six million, seven hundred ninety-three thousand, one hundred forty-nine".