2450139969 has 16 divisors (see below), whose sum is σ = 3322626624. Its totient is φ = 1605576000.

The previous prime is 2450139949. The next prime is 2450139971. The reversal of 2450139969 is 9699310542.

It is not a de Polignac number, because 2450139969 - 2⁹ = 2450139457 is a prime.

It is a super-2 number, since 2×2450139969² = 12006371735382641922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2450139919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344362 + ... + 351404.

It is an arithmetic number, because the mean of its divisors is an integer number (207664164).

Almost surely, 2^2450139969 is an apocalyptic number.

It is an amenable number.

2450139969 is a deficient number, since it is larger than the sum of its proper divisors (872486655).

2450139969 is a wasteful number, since it uses less digits than its factorization.

2450139969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9008.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 2450139969 is about 49498.8885632799. Note that the first 3 decimals coincide. The cubic root of 2450139969 is about 1348.1254218037.

The spelling of 2450139969 in words is "two billion, four hundred fifty million, one hundred thirty-nine thousand, nine hundred sixty-nine".