1381499002884 has 1152 divisors, whose sum is σ = 4845026672640. Its totient is φ = 295369804800.

The previous prime is 1381499002867. The next prime is 1381499002889. The reversal of 1381499002884 is 4882009941831.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1381499002889) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5780330437 + ... + 5780330675.

It is an arithmetic number, because the mean of its divisors is an integer number (4205752320).

Almost surely, 2^{1381499002884} is an apocalyptic number.

1381499002884 is a gapful number since it is divisible by the number (14) 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 1381499002884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2422513336320).

1381499002884 is an abundant number, since it is smaller than the sum of its proper divisors (3463527669756).

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

1381499002884 is a wasteful number, since it uses less digits than its factorization.

1381499002884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 1381499002884 in words is "one trillion, three hundred eighty-one billion, four hundred ninety-nine million, two thousand, eight hundred eighty-four".