2972309505 has 16 divisors (see below), whose sum is σ = 5188031424. Its totient is φ = 1441119680.

The previous prime is 2972309477. The next prime is 2972309531. The reversal of 2972309505 is 5059032792.

It is not a de Polignac number, because 2972309505 - 2⁹ = 2972308993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9006834 + ... + 9007163.

It is an arithmetic number, because the mean of its divisors is an integer number (324251964).

Almost surely, 2^2972309505 is an apocalyptic number.

It is an amenable number.

2972309505 is a deficient number, since it is larger than the sum of its proper divisors (2215721919).

2972309505 is a wasteful number, since it uses less digits than its factorization.

2972309505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18014016.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 2972309505 is about 54518.8912671562. The cubic root of 2972309505 is about 1437.7984467167.

The spelling of 2972309505 in words is "two billion, nine hundred seventy-two million, three hundred nine thousand, five hundred five".