3749821243 has 8 divisors (see below), whose sum is σ = 4327941600. Its totient is φ = 3182308800.

The previous prime is 3749821217. The next prime is 3749821259. The reversal of 3749821243 is 3421289473.

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

It is a cyclic number.

It is not a de Polignac number, because 3749821243 - 2⁵ = 3749821211 is a prime.

It is a super-2 number, since 2×3749821243² = 28122318708908130098, which contains 22 as substring.

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 3749821243.

It is not an unprimeable number, because it can be changed into a prime (3749821343) 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, 2651218 + ... + 2652631.

It is an arithmetic number, because the mean of its divisors is an integer number (540992700).

Almost surely, 2^3749821243 is an apocalyptic number.

3749821243 is a deficient number, since it is larger than the sum of its proper divisors (578120357).

3749821243 is a wasteful number, since it uses less digits than its factorization.

3749821243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303957.

The product of its digits is 290304, while the sum is 43.

The square root of 3749821243 is about 61235.7840073923. The cubic root of 3749821243 is about 1553.5915663820.

The spelling of 3749821243 in words is "three billion, seven hundred forty-nine million, eight hundred twenty-one thousand, two hundred forty-three".