1946462591882 has 4 divisors (see below), whose sum is σ = 2919693887826. Its totient is φ = 973231295940.

The previous prime is 1946462591881. The next prime is 1946462591971. The reversal of 1946462591882 is 2881952646491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1937883942241 + 8578649641 = 1392079^2 + 92621^2 .

It is not an unprimeable number, because it can be changed into a prime (1946462591881) 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, 486615647969 + ... + 486615647972.

Almost surely, 2^{1946462591882} is an apocalyptic number.

1946462591882 is a deficient number, since it is larger than the sum of its proper divisors (973231295944).

1946462591882 is an equidigital number, since it uses as much as digits as its factorization.

1946462591882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973231295943.

The product of its digits is 59719680, while the sum is 65.

The spelling of 1946462591882 in words is "one trillion, nine hundred forty-six billion, four hundred sixty-two million, five hundred ninety-one thousand, eight hundred eighty-two".