3762281649 has 16 divisors (see below), whose sum is σ = 5982262272. Its totient is φ = 2056402128.

The previous prime is 3762281641. The next prime is 3762281659. The reversal of 3762281649 is 9461822673.

It is not a de Polignac number, because 3762281649 - 2³ = 3762281641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3762281598 and 3762281607.

It is not an unprimeable number, because it can be changed into a prime (3762281641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3894219 + ... + 3895184.

It is an arithmetic number, because the mean of its divisors is an integer number (373891392).

Almost surely, 2^3762281649 is an apocalyptic number.

It is an amenable number.

3762281649 is a deficient number, since it is larger than the sum of its proper divisors (2219980623).

3762281649 is a wasteful number, since it uses less digits than its factorization.

3762281649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7789436.

The product of its digits is 870912, while the sum is 48.

The square root of 3762281649 is about 61337.4408416263. The cubic root of 3762281649 is about 1555.3104908955.

The spelling of 3762281649 in words is "three billion, seven hundred sixty-two million, two hundred eighty-one thousand, six hundred forty-nine".