13425420426 has 32 divisors (see below), whose sum is σ = 29296721088. Its totient is φ = 4067629440.

The previous prime is 13425420383. The next prime is 13425420431. The reversal of 13425420426 is 62402452431.

It is a super-2 number, since 2×13425420426² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498580 + ... + 524816.

It is an arithmetic number, because the mean of its divisors is an integer number (915522534).

Almost surely, 2^13425420426 is an apocalyptic number.

13425420426 is an abundant number, since it is smaller than the sum of its proper divisors (15871300662).

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

13425420426 is a wasteful number, since it uses less digits than its factorization.

13425420426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34006.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 13425420426 its reverse (62402452431), we get a palindrome (75827872857).

The spelling of 13425420426 in words is "thirteen billion, four hundred twenty-five million, four hundred twenty thousand, four hundred twenty-six".