6394073901 has 4 divisors (see below), whose sum is σ = 8525431872. Its totient is φ = 4262715932.

The previous prime is 6394073891. The next prime is 6394073921. The reversal of 6394073901 is 1093704936.

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 6394073901 - 2²¹ = 6391976749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394073921) 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, 1065678981 + ... + 1065678986.

It is an arithmetic number, because the mean of its divisors is an integer number (2131357968).

Almost surely, 2^6394073901 is an apocalyptic number.

It is an amenable number.

6394073901 is a deficient number, since it is larger than the sum of its proper divisors (2131357971).

6394073901 is a wasteful number, since it uses less digits than its factorization.

6394073901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131357970.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 6394073901 is about 79962.9533033892. The cubic root of 6394073901 is about 1856.0623040862.

The spelling of 6394073901 in words is "six billion, three hundred ninety-four million, seventy-three thousand, nine hundred one".