2942721603 has 16 divisors (see below), whose sum is σ = 4379146240. Its totient is φ = 1953013032.

The previous prime is 2942721569. The next prime is 2942721619. The reversal of 2942721603 is 3061272492.

2942721603 is a `hidden beast` number, since 2 + 9 + 4 + 27 + 21 + 603 = 666.

It is not a de Polignac number, because 2942721603 - 2¹² = 2942717507 is a prime.

It is a super-2 number, since 2×2942721603² = 17319220865525779218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2942721643) 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, 238351 + ... + 250392.

It is an arithmetic number, because the mean of its divisors is an integer number (273696640).

Almost surely, 2^2942721603 is an apocalyptic number.

2942721603 is a deficient number, since it is larger than the sum of its proper divisors (1436424637).

2942721603 is a wasteful number, since it uses less digits than its factorization.

2942721603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488975 (or 488969 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2942721603 is about 54246.8580011783. The cubic root of 2942721603 is about 1433.0116655791.

The spelling of 2942721603 in words is "two billion, nine hundred forty-two million, seven hundred twenty-one thousand, six hundred three".