1938763956450 has 48 divisors (see below), whose sum is σ = 4938084210240. Its totient is φ = 503030646720.

The previous prime is 1938763956443. The next prime is 1938763956461. The reversal of 1938763956450 is 546593678391.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 174657870 + ... + 174668969.

It is an arithmetic number, because the mean of its divisors is an integer number (102876754380).

Almost surely, 2^{1938763956450} is an apocalyptic number.

1938763956450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1938763956450 is an abundant number, since it is smaller than the sum of its proper divisors (2999320253790).

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

1938763956450 is a wasteful number, since it uses less digits than its factorization.

1938763956450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349326891 (or 349326886 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 66.

The spelling of 1938763956450 in words is "one trillion, nine hundred thirty-eight billion, seven hundred sixty-three million, nine hundred fifty-six thousand, four hundred fifty".