3485499921 has 24 divisors (see below), whose sum is σ = 5096931840. Its totient is φ = 2295076896.

The previous prime is 3485499907. The next prime is 3485499949. The reversal of 3485499921 is 1299945843.

3485499921 is a `hidden beast` number, since 3 + 4 + 8 + 549 + 9 + 92 + 1 = 666.

It is not a de Polignac number, because 3485499921 - 2⁵ = 3485499889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3485499961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239376 + ... + 253518.

It is an arithmetic number, because the mean of its divisors is an integer number (212372160).

Almost surely, 2^3485499921 is an apocalyptic number.

It is an amenable number.

3485499921 is a deficient number, since it is larger than the sum of its proper divisors (1611431919).

3485499921 is a wasteful number, since it uses less digits than its factorization.

3485499921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14485 (or 14482 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 3485499921 is about 59038.1226073458. The cubic root of 3485499921 is about 1516.1948799826.

The spelling of 3485499921 in words is "three billion, four hundred eighty-five million, four hundred ninety-nine thousand, nine hundred twenty-one".