10270542821 has 16 divisors (see below), whose sum is σ = 13246381440. Its totient is φ = 7727052480.

The previous prime is 10270542811. The next prime is 10270542829. The reversal of 10270542821 is 12824507201.

It is a de Polignac number, because none of the positive numbers 2^k-10270542821 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 (10270542829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297486 + ... + 2301951.

It is an arithmetic number, because the mean of its divisors is an integer number (827898840).

Almost surely, 2^10270542821 is an apocalyptic number.

10270542821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10270542821 is a deficient number, since it is larger than the sum of its proper divisors (2975838619).

10270542821 is a wasteful number, since it uses less digits than its factorization.

10270542821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599484.

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 10270542821 in words is "ten billion, two hundred seventy million, five hundred forty-two thousand, eight hundred twenty-one".