1974429466 has 4 divisors (see below), whose sum is σ = 2961644202. Its totient is φ = 987214732.

The previous prime is 1974429427. The next prime is 1974429469. The reversal of 1974429466 is 6649244791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6649244791 = 7 ⋅949892113.

It can be written as a sum of positive squares in only one way, i.e., 1894773841 + 79655625 = 43529^2 + 8925^2 .

It is not an unprimeable number, because it can be changed into a prime (1974429469) 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 as a sum of consecutive naturals, namely, 493607365 + ... + 493607368.

Almost surely, 2^1974429466 is an apocalyptic number.

1974429466 is a deficient number, since it is larger than the sum of its proper divisors (987214736).

1974429466 is an equidigital number, since it uses as much as digits as its factorization.

1974429466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987214735.

The product of its digits is 2612736, while the sum is 52.

The square root of 1974429466 is about 44434.5526139287. The cubic root of 1974429466 is about 1254.5285268900.

The spelling of 1974429466 in words is "one billion, nine hundred seventy-four million, four hundred twenty-nine thousand, four hundred sixty-six".