1330497958 has 4 divisors (see below), whose sum is σ = 1995746940. Its totient is φ = 665248978.

The previous prime is 1330497937. The next prime is 1330497977. The reversal of 1330497958 is 8597940331.

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

It is a super-3 number, since 3×1330497958³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332624488 + ... + 332624491.

It is an arithmetic number, because the mean of its divisors is an integer number (498936735).

Almost surely, 2^1330497958 is an apocalyptic number.

1330497958 is a deficient number, since it is larger than the sum of its proper divisors (665248982).

1330497958 is an equidigital number, since it uses as much as digits as its factorization.

1330497958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665248981.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 1330497958 is about 36475.9915286754. The cubic root of 1330497958 is about 1099.8616790261.

The spelling of 1330497958 in words is "one billion, three hundred thirty million, four hundred ninety-seven thousand, nine hundred fifty-eight".