10021461917 has 8 divisors (see below), whose sum is σ = 10116126720. Its totient is φ = 9927237040.

The previous prime is 10021461913. The next prime is 10021461979. The reversal of 10021461917 is 71916412001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10021461917 - 2² = 10021461913 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 (10021461913) 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, 64118 + ... + 155415.

It is an arithmetic number, because the mean of its divisors is an integer number (1264515840).

Almost surely, 2^10021461917 is an apocalyptic number.

It is an amenable number.

10021461917 is a deficient number, since it is larger than the sum of its proper divisors (94664803).

10021461917 is a wasteful number, since it uses less digits than its factorization.

10021461917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219963.

The product of its (nonzero) digits is 3024, while the sum is 32.

Adding to 10021461917 its reverse (71916412001), we get a palindrome (81937873918).

The spelling of 10021461917 in words is "ten billion, twenty-one million, four hundred sixty-one thousand, nine hundred seventeen".