13234504545 has 40 divisors (see below), whose sum is σ = 23739198120. Its totient is φ = 7053903360.

The previous prime is 13234504537. The next prime is 13234504553. The reversal of 13234504545 is 54540543231.

13234504545 is a `hidden beast` number, since 1 + 32 + 34 + 50 + 4 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (13234504537) and next prime (13234504553).

It can be written as a sum of positive squares in 4 ways, for example, as 1679114529 + 11555390016 = 40977^2 + 107496^2 .

It is not a de Polignac number, because 13234504545 - 2³ = 13234504537 is a prime.

It is a super-2 number, since 2×13234504545² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 682585 + ... + 701705.

It is an arithmetic number, because the mean of its divisors is an integer number (593479953).

Almost surely, 2^13234504545 is an apocalyptic number.

13234504545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13234504545 is a deficient number, since it is larger than the sum of its proper divisors (10504693575).

13234504545 is a wasteful number, since it uses less digits than its factorization.

13234504545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20847 (or 20838 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 13234504545 in words is "thirteen billion, two hundred thirty-four million, five hundred four thousand, five hundred forty-five".