1960047509 has 16 divisors (see below), whose sum is σ = 2374818816. Its totient is φ = 1581897600.

The previous prime is 1960047491. The next prime is 1960047527. The reversal of 1960047509 is 9057400691.

It is an interprime number because it is at equal distance from previous prime (1960047491) and next prime (1960047527).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1960047509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960047109) 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 in 15 ways as a sum of consecutive naturals, for example, 114032 + ... + 130089.

It is an arithmetic number, because the mean of its divisors is an integer number (148426176).

Almost surely, 2^1960047509 is an apocalyptic number.

It is an amenable number.

1960047509 is a deficient number, since it is larger than the sum of its proper divisors (414771307).

1960047509 is a wasteful number, since it uses less digits than its factorization.

1960047509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244196.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1960047509 is about 44272.4237985679. The cubic root of 1960047509 is about 1251.4750605923.

The spelling of 1960047509 in words is "one billion, nine hundred sixty million, forty-seven thousand, five hundred nine".