3923768293 has 4 divisors (see below), whose sum is σ = 3939401088. Its totient is φ = 3908135500.

The previous prime is 3923768281. The next prime is 3923768309. The reversal of 3923768293 is 3928673293.

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 3923768293 - 2⁹ = 3923767781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3923768293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923768203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7816021 + ... + 7816522.

It is an arithmetic number, because the mean of its divisors is an integer number (984850272).

Almost surely, 2^3923768293 is an apocalyptic number.

It is an amenable number.

3923768293 is a deficient number, since it is larger than the sum of its proper divisors (15632795).

3923768293 is a wasteful number, since it uses less digits than its factorization.

3923768293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15632794.

The product of its digits is 2939328, while the sum is 52.

The square root of 3923768293 is about 62639.9895673682. The cubic root of 3923768293 is about 1577.2521127165.

The spelling of 3923768293 in words is "three billion, nine hundred twenty-three million, seven hundred sixty-eight thousand, two hundred ninety-three".