10521471442434 has 16 divisors (see below), whose sum is σ = 21047087705088. Its totient is φ = 3506466344112.

The previous prime is 10521471442387. The next prime is 10521471442439. The reversal of 10521471442434 is 43424417412501.

It is a super-2 number, since 2×10521471442434² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10521471442439) 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, 172667842 + ... + 172728765.

It is an arithmetic number, because the mean of its divisors is an integer number (1315442981568).

Almost surely, 2^{10521471442434} is an apocalyptic number.

10521471442434 is an abundant number, since it is smaller than the sum of its proper divisors (10525616262654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10521471442434 is a wasteful number, since it uses less digits than its factorization.

10521471442434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345401689.

The product of its (nonzero) digits is 430080, while the sum is 42.

Adding to 10521471442434 its reverse (43424417412501), we get a palindrome (53945888854935).

The spelling of 10521471442434 in words is "ten trillion, five hundred twenty-one billion, four hundred seventy-one million, four hundred forty-two thousand, four hundred thirty-four".