2105421048 has 48 divisors (see below), whose sum is σ = 5886129600. Its totient is φ = 679167360.

The previous prime is 2105421047. The next prime is 2105421139. The reversal of 2105421048 is 8401245012.

2105421048 is a `hidden beast` number, since 2 + 10 + 542 + 104 + 8 = 666.

It is a super-2 number, since 2×2105421048² = 8865595578722836608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105421047) 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, 469413 + ... + 473876.

It is an arithmetic number, because the mean of its divisors is an integer number (122627700).

Almost surely, 2^2105421048 is an apocalyptic number.

It is an amenable number.

2105421048 is an abundant number, since it is smaller than the sum of its proper divisors (3780708552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105421048 is a wasteful number, since it uses less digits than its factorization.

2105421048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943332 (or 943325 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2105421048 is about 45884.8673093864. The cubic root of 2105421048 is about 1281.6801358010.

The spelling of 2105421048 in words is "two billion, one hundred five million, four hundred twenty-one thousand, forty-eight".