2972309503 has 4 divisors (see below), whose sum is σ = 2975661360. Its totient is φ = 2968957648.

The previous prime is 2972309477. The next prime is 2972309531. The reversal of 2972309503 is 3059032792.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2972309503 - 2⁵ = 2972309471 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 (2972309533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1674598 + ... + 1676371.

It is an arithmetic number, because the mean of its divisors is an integer number (743915340).

Almost surely, 2^2972309503 is an apocalyptic number.

2972309503 is a deficient number, since it is larger than the sum of its proper divisors (3351857).

2972309503 is an equidigital number, since it uses as much as digits as its factorization.

2972309503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351856.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 2972309503 is about 54518.8912488139. The cubic root of 2972309503 is about 1437.7984463942.

The spelling of 2972309503 in words is "two billion, nine hundred seventy-two million, three hundred nine thousand, five hundred three".