4074892472421 has 32 divisors (see below), whose sum is σ = 6065439206400. Its totient is φ = 2703770316720.

The previous prime is 4074892472327. The next prime is 4074892472429. The reversal of 4074892472421 is 1242742984704.

It is a happy number.

4074892472421 is a `hidden beast` number, since 4 + 0 + 7 + 48 + 92 + 472 + 42 + 1 = 666.

It is not a de Polignac number, because 4074892472421 - 2⁷ = 4074892472293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4074892472429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4857640 + ... + 5634398.

It is an arithmetic number, because the mean of its divisors is an integer number (189544975200).

Almost surely, 2^{4074892472421} is an apocalyptic number.

It is an amenable number.

4074892472421 is a deficient number, since it is larger than the sum of its proper divisors (1990546733979).

4074892472421 is a wasteful number, since it uses less digits than its factorization.

4074892472421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777686 (or 777680 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 4074892472421 in words is "four trillion, seventy-four billion, eight hundred ninety-two million, four hundred seventy-two thousand, four hundred twenty-one".