6940394615901 has 32 divisors (see below), whose sum is σ = 9546911942400. Its totient is φ = 4482035712000.

The previous prime is 6940394615887. The next prime is 6940394615929. The reversal of 6940394615901 is 1095164930496.

It is a happy number.

6940394615901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6940394615901 - 2⁹ = 6940394615389 is a prime.

It is a super-3 number, since 3×6940394615901³ (a number of 40 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940394615951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39156325 + ... + 39333173.

It is an arithmetic number, because the mean of its divisors is an integer number (298340998200).

Almost surely, 2^{6940394615901} is an apocalyptic number.

It is an amenable number.

6940394615901 is a deficient number, since it is larger than the sum of its proper divisors (2606517326499).

6940394615901 is a wasteful number, since it uses less digits than its factorization.

6940394615901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179157.

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 6940394615901 in words is "six trillion, nine hundred forty billion, three hundred ninety-four million, six hundred fifteen thousand, nine hundred one".