1960009645 has 32 divisors (see below), whose sum is σ = 2744896896. Its totient is φ = 1327718400.

The previous prime is 1960009609. The next prime is 1960009673. The reversal of 1960009645 is 5469000691.

It is not a de Polignac number, because 1960009645 - 2⁷ = 1960009517 is a prime.

It is a super-3 number, since 3×1960009645³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1960009598 and 1960009607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79890 + ... + 101500.

It is an arithmetic number, because the mean of its divisors is an integer number (85778028).

Almost surely, 2^1960009645 is an apocalyptic number.

It is an amenable number.

1960009645 is a deficient number, since it is larger than the sum of its proper divisors (784887251).

1960009645 is a wasteful number, since it uses less digits than its factorization.

1960009645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21741.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1960009645 is about 44271.9961713948. The cubic root of 1960009645 is about 1251.4670019174.

The spelling of 1960009645 in words is "one billion, nine hundred sixty million, nine thousand, six hundred forty-five".