3753978793 has 4 divisors (see below), whose sum is σ = 3796158420. Its totient is φ = 3711799168.

The previous prime is 3753978779. The next prime is 3753978797. The reversal of 3753978793 is 3978793573.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1672155664 + 2081823129 = 40892^2 + 45627^2 .

It is a cyclic number.

It is not a de Polignac number, because 3753978793 - 2²⁵ = 3720424361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3753978797) 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, 21089680 + ... + 21089857.

It is an arithmetic number, because the mean of its divisors is an integer number (949039605).

Almost surely, 2^3753978793 is an apocalyptic number.

It is an amenable number.

3753978793 is a deficient number, since it is larger than the sum of its proper divisors (42179627).

3753978793 is an equidigital number, since it uses as much as digits as its factorization.

3753978793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42179626.

The product of its digits is 30005640, while the sum is 61.

The square root of 3753978793 is about 61269.7216657624. The cubic root of 3753978793 is about 1554.1655269804.

The spelling of 3753978793 in words is "three billion, seven hundred fifty-three million, nine hundred seventy-eight thousand, seven hundred ninety-three".