3758081994 has 24 divisors (see below), whose sum is σ = 8444086560. Its totient is φ = 1252693836.

The previous prime is 3758081993. The next prime is 3758082011. The reversal of 3758081994 is 4991808573.

3758081994 is a `hidden beast` number, since 375 + 80 + 8 + 199 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3758081994.

It is not an unprimeable number, because it can be changed into a prime (3758081993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3865854 + ... + 3866825.

It is an arithmetic number, because the mean of its divisors is an integer number (351836940).

Almost surely, 2^3758081994 is an apocalyptic number.

3758081994 is an abundant number, since it is smaller than the sum of its proper divisors (4686004566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3758081994 is an equidigital number, since it uses as much as digits as its factorization.

3758081994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732696 (or 7732684 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 3758081994 is about 61303.1972575656. The cubic root of 3758081994 is about 1554.7315692052.

The spelling of 3758081994 in words is "three billion, seven hundred fifty-eight million, eighty-one thousand, nine hundred ninety-four".