3750640649 has 8 divisors (see below), whose sum is σ = 4287042240. Its totient is φ = 3214388016.

The previous prime is 3750640639. The next prime is 3750640669. The reversal of 3750640649 is 9460460573.

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

It is not a de Polignac number, because 3750640649 - 2⁸ = 3750640393 is a prime.

It is a super-2 number, since 2×3750640649² = 28134610555862282402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3750640639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23282 + ... + 89684.

It is an arithmetic number, because the mean of its divisors is an integer number (535880280).

Almost surely, 2^3750640649 is an apocalyptic number.

It is an amenable number.

3750640649 is a deficient number, since it is larger than the sum of its proper divisors (536401591).

3750640649 is an equidigital number, since it uses as much as digits as its factorization.

3750640649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74479.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 3750640649 is about 61242.4742233689. The cubic root of 3750640649 is about 1553.7047210680.

The spelling of 3750640649 in words is "three billion, seven hundred fifty million, six hundred forty thousand, six hundred forty-nine".