3758216494 has 4 divisors (see below), whose sum is σ = 5637324744. Its totient is φ = 1879108246.

The previous prime is 3758216471. The next prime is 3758216507. The reversal of 3758216494 is 4946128573.

It is a happy number.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 939554122 + ... + 939554125.

It is an arithmetic number, because the mean of its divisors is an integer number (1409331186).

Almost surely, 2^3758216494 is an apocalyptic number.

3758216494 is a deficient number, since it is larger than the sum of its proper divisors (1879108250).

3758216494 is a wasteful number, since it uses less digits than its factorization.

3758216494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879108249.

The product of its digits is 1451520, while the sum is 49.

The square root of 3758216494 is about 61304.2942541548. The cubic root of 3758216494 is about 1554.7501166896.

The spelling of 3758216494 in words is "three billion, seven hundred fifty-eight million, two hundred sixteen thousand, four hundred ninety-four".