10143644057 has 24 divisors (see below), whose sum is σ = 11087977824. Its totient is φ = 9272019456.

The previous prime is 10143643999. The next prime is 10143644087. The reversal of 10143644057 is 75044634101.

It is not a de Polignac number, because 10143644057 - 2¹⁶ = 10143578521 is a prime.

It is a super-2 number, since 2×10143644057² (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 (10143644087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1284473 + ... + 1292345.

It is an arithmetic number, because the mean of its divisors is an integer number (461999076).

Almost surely, 2^10143644057 is an apocalyptic number.

It is an amenable number.

10143644057 is a deficient number, since it is larger than the sum of its proper divisors (944333767).

10143644057 is an equidigital number, since it uses as much as digits as its factorization.

10143644057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 10143644057 in words is "ten billion, one hundred forty-three million, six hundred forty-four thousand, fifty-seven".