34503043421 has 16 divisors (see below), whose sum is σ = 43021853568. Its totient is φ = 26882318400.

The previous prime is 34503043411. The next prime is 34503043439. The reversal of 34503043421 is 12434030543.

It is not a de Polignac number, because 34503043421 - 2¹⁰ = 34503042397 is a prime.

It is a super-2 number, since 2×34503043421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34503043411) 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, 796091 + ... + 838311.

It is an arithmetic number, because the mean of its divisors is an integer number (2688865848).

Almost surely, 2^34503043421 is an apocalyptic number.

It is an amenable number.

34503043421 is a deficient number, since it is larger than the sum of its proper divisors (8518810147).

34503043421 is a wasteful number, since it uses less digits than its factorization.

34503043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52852.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 34503043421 its reverse (12434030543), we get a palindrome (46937073964).

The spelling of 34503043421 in words is "thirty-four billion, five hundred three million, forty-three thousand, four hundred twenty-one".