1965097008 has 60 divisors (see below), whose sum is σ = 6285194448. Its totient is φ = 561456000.

The previous prime is 1965097003. The next prime is 1965097073. The reversal of 1965097008 is 8007905691.

It is not an unprimeable number, because it can be changed into a prime (1965097003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973743 + ... + 975758.

Almost surely, 2^1965097008 is an apocalyptic number.

1965097008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1965097008 is an abundant number, since it is smaller than the sum of its proper divisors (4320097440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1965097008 is a wasteful number, since it uses less digits than its factorization.

1965097008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949522 (or 1949513 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 1965097008 is about 44329.4147040089. The cubic root of 1965097008 is about 1252.5488276230.

The spelling of 1965097008 in words is "one billion, nine hundred sixty-five million, ninety-seven thousand, eight".