1974395939883 has 8 divisors (see below), whose sum is σ = 2632577333568. Its totient is φ = 1316239253064.

The previous prime is 1974395939881. The next prime is 1974395939921. The reversal of 1974395939883 is 3889395934791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1974395939883 - 2¹ = 1974395939881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1974395939799 and 1974395939808.

It is not an unprimeable number, because it can be changed into a prime (1974395939881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5989441 + ... + 6310482.

It is an arithmetic number, because the mean of its divisors is an integer number (329072166696).

Almost surely, 2^{1974395939883} is an apocalyptic number.

1974395939883 is a deficient number, since it is larger than the sum of its proper divisors (658181393685).

1974395939883 is a wasteful number, since it uses less digits than its factorization.

1974395939883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12353433.

The product of its digits is 1587237120, while the sum is 78.

The spelling of 1974395939883 in words is "one trillion, nine hundred seventy-four billion, three hundred ninety-five million, nine hundred thirty-nine thousand, eight hundred eighty-three".