1982975342730 has 32 divisors (see below), whose sum is σ = 4761200331648. Its totient is φ = 528564590400.

The previous prime is 1982975342729. The next prime is 1982975342731. The reversal of 1982975342730 is 372435792891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1982975342729) and next prime (1982975342731).

It is not an unprimeable number, because it can be changed into a prime (1982975342731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14231661 + ... + 14370320.

It is an arithmetic number, because the mean of its divisors is an integer number (148787510364).

Almost surely, 2^{1982975342730} is an apocalyptic number.

1982975342730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982975342730 is an abundant number, since it is smaller than the sum of its proper divisors (2778224988918).

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

1982975342730 is a wasteful number, since it uses less digits than its factorization.

1982975342730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28604302.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 1982975342730 in words is "one trillion, nine hundred eighty-two billion, nine hundred seventy-five million, three hundred forty-two thousand, seven hundred thirty".