13451219990 has 64 divisors (see below), whose sum is σ = 26674292736. Its totient is φ = 4852751232.

The previous prime is 13451219989. The next prime is 13451220011. The reversal of 13451219990 is 9991215431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4538249 + ... + 4541211.

It is an arithmetic number, because the mean of its divisors is an integer number (416785824).

Almost surely, 2^13451219990 is an apocalyptic number.

13451219990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13451219990 is a deficient number, since it is larger than the sum of its proper divisors (13223072746).

13451219990 is a wasteful number, since it uses less digits than its factorization.

13451219990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 13451219990 in words is "thirteen billion, four hundred fifty-one million, two hundred nineteen thousand, nine hundred ninety".