2942721632 has 48 divisors (see below), whose sum is σ = 5871307680. Its totient is φ = 1451670528.

The previous prime is 2942721631. The next prime is 2942721643. The reversal of 2942721632 is 2361272492.

It is a happy number.

It is a super-2 number, since 2×2942721632² = 17319221206881486848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942721631) 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, 1841858 + ... + 1843454.

It is an arithmetic number, because the mean of its divisors is an integer number (122318910).

Almost surely, 2^2942721632 is an apocalyptic number.

It is an amenable number.

2942721632 is a deficient number, since it is larger than the sum of its proper divisors (2928586048).

2942721632 is a wasteful number, since it uses less digits than its factorization.

2942721632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343 (or 2335 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 2942721632 is about 54246.8582684749. The cubic root of 2942721632 is about 1433.0116702864.

The spelling of 2942721632 in words is "two billion, nine hundred forty-two million, seven hundred twenty-one thousand, six hundred thirty-two".