3940469013 has 8 divisors (see below), whose sum is σ = 5658109408. Its totient is φ = 2424903984.

The previous prime is 3940469011. The next prime is 3940469017. The reversal of 3940469013 is 3109640493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3940469013 - 2¹ = 3940469011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 101037667 = 3940469013 / (3 + 9 + 4 + 0 + 4 + 6 + 9 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940469011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50518795 + ... + 50518872.

It is an arithmetic number, because the mean of its divisors is an integer number (707263676).

Almost surely, 2^3940469013 is an apocalyptic number.

It is an amenable number.

3940469013 is a deficient number, since it is larger than the sum of its proper divisors (1717640395).

3940469013 is a wasteful number, since it uses less digits than its factorization.

3940469013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101037683.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 3940469013 is about 62773.1551939203. The cubic root of 3940469013 is about 1579.4866960738.

The spelling of 3940469013 in words is "three billion, nine hundred forty million, four hundred sixty-nine thousand, thirteen".