1464643982 has 4 divisors (see below), whose sum is σ = 2196965976. Its totient is φ = 732321990.

The previous prime is 1464643981. The next prime is 1464643991. The reversal of 1464643982 is 2893464641.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464643981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366160994 + ... + 366160997.

It is an arithmetic number, because the mean of its divisors is an integer number (549241494).

Almost surely, 2^1464643982 is an apocalyptic number.

1464643982 is a deficient number, since it is larger than the sum of its proper divisors (732321994).

1464643982 is an equidigital number, since it uses as much as digits as its factorization.

1464643982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732321993.

The product of its digits is 995328, while the sum is 47.

The square root of 1464643982 is about 38270.6673837810. The cubic root of 1464643982 is about 1135.6487411442.

The spelling of 1464643982 in words is "one billion, four hundred sixty-four million, six hundred forty-three thousand, nine hundred eighty-two".