18620714951380 has 24 divisors (see below), whose sum is σ = 41161580419680. Its totient is φ = 7056270928800.

The previous prime is 18620714951351. The next prime is 18620714951393. The reversal of 18620714951380 is 8315941702681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24500940346 + ... + 24500941105.

It is an arithmetic number, because the mean of its divisors is an integer number (1715065850820).

It is a 1-persistent number, because it is pandigital, but 2⋅18620714951380 = 37241429902760 is not.

Almost surely, 2^{18620714951380} is an apocalyptic number.

18620714951380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18620714951380 is an abundant number, since it is smaller than the sum of its proper divisors (22540865468300).

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

18620714951380 is a wasteful number, since it uses less digits than its factorization.

18620714951380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49001881479 (or 49001881477 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 18620714951380 in words is "eighteen trillion, six hundred twenty billion, seven hundred fourteen million, nine hundred fifty-one thousand, three hundred eighty".