2761631984 has 20 divisors (see below), whose sum is σ = 5389160280. Its totient is φ = 1370880960.

The previous prime is 2761631909. The next prime is 2761631989. The reversal of 2761631984 is 4891361672.

It is a super-2 number, since 2×2761631984² = 15253222430103552512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2761631989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618647 + ... + 623094.

It is an arithmetic number, because the mean of its divisors is an integer number (269458014).

Almost surely, 2^2761631984 is an apocalyptic number.

It is an amenable number.

2761631984 is a deficient number, since it is larger than the sum of its proper divisors (2627528296).

2761631984 is a wasteful number, since it uses less digits than its factorization.

2761631984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241888 (or 1241882 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 2761631984 is about 52551.2319931702. The cubic root of 2761631984 is about 1402.9922368346.

The spelling of 2761631984 in words is "two billion, seven hundred sixty-one million, six hundred thirty-one thousand, nine hundred eighty-four".