24201472921 has 8 divisors (see below), whose sum is σ = 25037902080. Its totient is φ = 23365170192.

The previous prime is 24201472909. The next prime is 24201472973. The reversal of 24201472921 is 12927410242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24201472921 is a prime.

It is a super-2 number, since 2×24201472921² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24201472021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523096 + ... + 567478.

It is an arithmetic number, because the mean of its divisors is an integer number (3129737760).

Almost surely, 2^24201472921 is an apocalyptic number.

It is an amenable number.

24201472921 is a deficient number, since it is larger than the sum of its proper divisors (836429159).

24201472921 is a wasteful number, since it uses less digits than its factorization.

24201472921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63215.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 24201472921 in words is "twenty-four billion, two hundred one million, four hundred seventy-two thousand, nine hundred twenty-one".