48994909 has 2 divisors, whose sum is σ = 48994910. Its totient is φ = 48994908.

The previous prime is 48994873. The next prime is 48994921. The reversal of 48994909 is 90949984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29192409 + 19802500 = 5403^2 + 4450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48994909 is a prime.

It is a super-2 number, since 2×48994909² = 4801002215836562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48994009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24497454 + 24497455.

It is an arithmetic number, because the mean of its divisors is an integer number (24497455).

Almost surely, 2^48994909 is an apocalyptic number.

It is an amenable number.

48994909 is a deficient number, since it is larger than the sum of its proper divisors (1).

48994909 is an equidigital number, since it uses as much as digits as its factorization.

48994909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 48994909 is about 6999.6363476969. The cubic root of 48994909 is about 365.9178974169.

The spelling of 48994909 in words is "forty-eight million, nine hundred ninety-four thousand, nine hundred nine".