1379091493780 has 384 divisors, whose sum is σ = 4045730217984. Its totient is φ = 380936908800.

The previous prime is 1379091493763. The next prime is 1379091493837. The reversal of 1379091493780 is 873941909731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 78809992 + ... + 78827488.

It is an arithmetic number, because the mean of its divisors is an integer number (10535755776).

Almost surely, 2^{1379091493780} is an apocalyptic number.

1379091493780 is a gapful number since it is divisible by the number (10) 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 1379091493780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2022865108992).

1379091493780 is an abundant number, since it is smaller than the sum of its proper divisors (2666638724204).

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

1379091493780 is a wasteful number, since it uses less digits than its factorization.

1379091493780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17695 (or 17693 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 1379091493780 in words is "one trillion, three hundred seventy-nine billion, ninety-one million, four hundred ninety-three thousand, seven hundred eighty".