1974917217434 has 16 divisors (see below), whose sum is σ = 3494784385536. Its totient is φ = 819090090000.

The previous prime is 1974917217409. The next prime is 1974917217437. The reversal of 1974917217434 is 4347127194791.

It is not an unprimeable number, because it can be changed into a prime (1974917217437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275249817 + ... + 2275250684.

It is an arithmetic number, because the mean of its divisors is an integer number (218424024096).

Almost surely, 2^{1974917217434} is an apocalyptic number.

1974917217434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1974917217434 is a deficient number, since it is larger than the sum of its proper divisors (1519867168102).

1974917217434 is a wasteful number, since it uses less digits than its factorization.

1974917217434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550500541.

The product of its digits is 10668672, while the sum is 59.

The spelling of 1974917217434 in words is "one trillion, nine hundred seventy-four billion, nine hundred seventeen million, two hundred seventeen thousand, four hundred thirty-four".