1945010164609 has 16 divisors (see below), whose sum is σ = 2020431536640. Its totient is φ = 1870151976000.

The previous prime is 1945010164597. The next prime is 1945010164633. The reversal of 1945010164609 is 9064610105491.

It is a cyclic number.

It is not a de Polignac number, because 1945010164609 - 2¹³ = 1945010156417 is a prime.

It is a super-2 number, since 2×1945010164609² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1945010164109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17399124 + ... + 17510554.

It is an arithmetic number, because the mean of its divisors is an integer number (126276971040).

Almost surely, 2^{1945010164609} is an apocalyptic number.

It is an amenable number.

1945010164609 is a deficient number, since it is larger than the sum of its proper divisors (75421372031).

1945010164609 is a wasteful number, since it uses less digits than its factorization.

1945010164609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113952.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 1945010164609 in words is "one trillion, nine hundred forty-five billion, ten million, one hundred sixty-four thousand, six hundred nine".