3964788493 has 8 divisors (see below), whose sum is σ = 4094124800. Its totient is φ = 3835542240.

The previous prime is 3964788481. The next prime is 3964788497. The reversal of 3964788493 is 3948874693.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3964788493 is a prime.

It is a super-2 number, since 2×3964788493² = 31439095588450422098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964788497) 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, 73546 + ... + 115492.

It is an arithmetic number, because the mean of its divisors is an integer number (511765600).

Almost surely, 2^3964788493 is an apocalyptic number.

It is an amenable number.

3964788493 is a deficient number, since it is larger than the sum of its proper divisors (129336307).

3964788493 is a wasteful number, since it uses less digits than its factorization.

3964788493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45027.

The product of its digits is 31352832, while the sum is 61.

The square root of 3964788493 is about 62966.5664698338. The cubic root of 3964788493 is about 1582.7294184918.

The spelling of 3964788493 in words is "three billion, nine hundred sixty-four million, seven hundred eighty-eight thousand, four hundred ninety-three".