49273969 has 2 divisors, whose sum is σ = 49273970. Its totient is φ = 49273968.

The previous prime is 49273967. The next prime is 49273993. The reversal of 49273969 is 96937294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 4223025 = 6712^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 49273969 - 2¹ = 49273967 is a prime.

It is a super-2 number, since 2×49273969² = 4855848042025922, which contains 22 as substring.

Together with 49273967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49273967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24636984 + 24636985.

It is an arithmetic number, because the mean of its divisors is an integer number (24636985).

Almost surely, 2^49273969 is an apocalyptic number.

It is an amenable number.

49273969 is a deficient number, since it is larger than the sum of its proper divisors (1).

49273969 is an equidigital number, since it uses as much as digits as its factorization.

49273969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The square root of 49273969 is about 7019.5419366224. The cubic root of 49273969 is about 366.6113013742.

The spelling of 49273969 in words is "forty-nine million, two hundred seventy-three thousand, nine hundred sixty-nine".