13423504525450 has 12 divisors (see below), whose sum is σ = 24967718417430. Its totient is φ = 5369401810160.

The previous prime is 13423504525411. The next prime is 13423504525463. The reversal of 13423504525450 is 5452540532431.

It can be written as a sum of positive squares in 3 ways, for example, as 5526791933569 + 7896712591881 = 2350913^2 + 2810109^2 .

It is a super-3 number, since 3×13423504525450³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13423504525397 and 13423504525406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134235045205 + ... + 134235045304.

Almost surely, 2^{13423504525450} is an apocalyptic number.

13423504525450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13423504525450 is a deficient number, since it is larger than the sum of its proper divisors (11544213891980).

13423504525450 is a wasteful number, since it uses less digits than its factorization.

13423504525450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268470090521 (or 268470090516 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 13423504525450 in words is "thirteen trillion, four hundred twenty-three billion, five hundred four million, five hundred twenty-five thousand, four hundred fifty".