2948923521 has 12 divisors (see below), whose sum is σ = 4260265620. Its totient is φ = 1965621600.

The previous prime is 2948923501. The next prime is 2948923561. The reversal of 2948923521 is 1253298492.

2948923521 is a `hidden beast` number, since 29 + 4 + 89 + 23 + 521 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 491242896 + 2457680625 = 22164^2 + 49575^2 .

It is not a de Polignac number, because 2948923521 - 2⁶ = 2948923457 is a prime.

It is a super-2 number, since 2×2948923521² = 17392299865414074882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2948923501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37971 + ... + 85671.

It is an arithmetic number, because the mean of its divisors is an integer number (355022135).

Almost surely, 2^2948923521 is an apocalyptic number.

It is an amenable number.

2948923521 is a deficient number, since it is larger than the sum of its proper divisors (1311342099).

2948923521 is a wasteful number, since it uses less digits than its factorization.

2948923521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54576 (or 54573 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2948923521 is about 54303.9917593541. The cubic root of 2948923521 is about 1434.0176713333.

The spelling of 2948923521 in words is "two billion, nine hundred forty-eight million, nine hundred twenty-three thousand, five hundred twenty-one".