10144462421 has 6 divisors (see below), whose sum is σ = 10506334722. Its totient is φ = 9794652560.

The previous prime is 10144462357. The next prime is 10144462441. The reversal of 10144462421 is 12426444101.

It can be written as a sum of positive squares in 3 ways, for example, as 3414064900 + 6730397521 = 58430^2 + 82039^2 .

It is not a de Polignac number, because 10144462421 - 2⁶ = 10144462357 is a prime.

It is a super-3 number, since 3×10144462421³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10144462441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6030350 + ... + 6032031.

It is an arithmetic number, because the mean of its divisors is an integer number (1751055787).

Almost surely, 2^10144462421 is an apocalyptic number.

It is an amenable number.

10144462421 is a deficient number, since it is larger than the sum of its proper divisors (361872301).

10144462421 is an equidigital number, since it uses as much as digits as its factorization.

10144462421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12062439 (or 12062410 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 10144462421 in words is "ten billion, one hundred forty-four million, four hundred sixty-two thousand, four hundred twenty-one".