1974819023 has 4 divisors (see below), whose sum is σ = 1995178080. Its totient is φ = 1954459968.

The previous prime is 1974819013. The next prime is 1974819073. The reversal of 1974819023 is 3209184791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3209184791 = 83 ⋅38664877.

It is a cyclic number.

It is not a de Polignac number, because 1974819023 - 2⁶ = 1974818959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974819013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10179383 + ... + 10179576.

It is an arithmetic number, because the mean of its divisors is an integer number (498794520).

Almost surely, 2^1974819023 is an apocalyptic number.

1974819023 is a deficient number, since it is larger than the sum of its proper divisors (20359057).

1974819023 is an equidigital number, since it uses as much as digits as its factorization.

1974819023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20359056.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1974819023 is about 44438.9358896002. The cubic root of 1974819023 is about 1254.6110280615.

The spelling of 1974819023 in words is "one billion, nine hundred seventy-four million, eight hundred nineteen thousand, twenty-three".