13451949872740 has 24 divisors (see below), whose sum is σ = 28850139303552. Its totient is φ = 5266295268960.

The previous prime is 13451949872707. The next prime is 13451949872747. The reversal of 13451949872740 is 4727894915431.

It is not an unprimeable number, because it can be changed into a prime (13451949872747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7155291546 + ... + 7155293425.

It is an arithmetic number, because the mean of its divisors is an integer number (1202089137648).

Almost surely, 2^{13451949872740} is an apocalyptic number.

13451949872740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13451949872740 is an abundant number, since it is smaller than the sum of its proper divisors (15398189430812).

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

13451949872740 is a wasteful number, since it uses less digits than its factorization.

13451949872740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14310585027 (or 14310585025 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 13451949872740 in words is "thirteen trillion, four hundred fifty-one billion, nine hundred forty-nine million, eight hundred seventy-two thousand, seven hundred forty".