10298473921 has 4 divisors (see below), whose sum is σ = 10576811092. Its totient is φ = 10020136752.

The previous prime is 10298473919. The next prime is 10298473967. The reversal of 10298473921 is 12937489201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4667622400 + 5630851521 = 68320^2 + 75039^2 .

It is a cyclic number.

It is not a de Polignac number, because 10298473921 - 2¹ = 10298473919 is a prime.

It is a super-2 number, since 2×10298473921² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10298473421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139168530 + ... + 139168603.

It is an arithmetic number, because the mean of its divisors is an integer number (2644202773).

Almost surely, 2^10298473921 is an apocalyptic number.

It is an amenable number.

10298473921 is a deficient number, since it is larger than the sum of its proper divisors (278337171).

10298473921 is an equidigital number, since it uses as much as digits as its factorization.

10298473921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278337170.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 10298473921 in words is "ten billion, two hundred ninety-eight million, four hundred seventy-three thousand, nine hundred twenty-one".