1373450012928 has 216 divisors, whose sum is σ = 4534102803776. Its totient is φ = 391686451200.

The previous prime is 1373450012899. The next prime is 1373450012933. The reversal of 1373450012928 is 8292100543731.

It is a happy number.

1373450012928 is a `hidden beast` number, since 1 + 3 + 73 + 450 + 0 + 129 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8646543 + ... + 8803953.

Almost surely, 2^{1373450012928} is an apocalyptic number.

1373450012928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373450012928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2267051401888).

1373450012928 is an abundant number, since it is smaller than the sum of its proper divisors (3160652790848).

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

1373450012928 is a wasteful number, since it uses less digits than its factorization.

1373450012928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157981 (or 157964 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 1373450012928 in words is "one trillion, three hundred seventy-three billion, four hundred fifty million, twelve thousand, nine hundred twenty-eight".