2421853893 has 6 divisors (see below), whose sum is σ = 3498233414. Its totient is φ = 1614569256.

The previous prime is 2421853879. The next prime is 2421853927. The reversal of 2421853893 is 3983581242.

2421853893 is a `hidden beast` number, since 2 + 4 + 21 + 8 + 538 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1609774884 + 812079009 = 40122^2 + 28497^2 .

It is not a de Polignac number, because 2421853893 - 2²¹ = 2419756741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421853843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134547430 + ... + 134547447.

Almost surely, 2^2421853893 is an apocalyptic number.

It is an amenable number.

2421853893 is a deficient number, since it is larger than the sum of its proper divisors (1076379521).

2421853893 is a wasteful number, since it uses less digits than its factorization.

2421853893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269094883 (or 269094880 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 2421853893 is about 49212.3347647721. The cubic root of 2421853893 is about 1342.9174374720.

The spelling of 2421853893 in words is "two billion, four hundred twenty-one million, eight hundred fifty-three thousand, eight hundred ninety-three".