49492489 has 2 divisors, whose sum is σ = 49492490. Its totient is φ = 49492488.

The previous prime is 49492477. The next prime is 49492517. The reversal of 49492489 is 98429494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28944400 + 20548089 = 5380^2 + 4533^2 .

It is a cyclic number.

It is not a de Polignac number, because 49492489 - 2⁷ = 49492361 is a prime.

It is not a weakly prime, because it can be changed into another prime (49792489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24746244 + 24746245.

It is an arithmetic number, because the mean of its divisors is an integer number (24746245).

Almost surely, 2^49492489 is an apocalyptic number.

It is an amenable number.

49492489 is a deficient number, since it is larger than the sum of its proper divisors (1).

49492489 is an equidigital number, since it uses as much as digits as its factorization.

49492489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 49492489 is about 7035.0898359580. The cubic root of 49492489 is about 367.1524509742.

The spelling of 49492489 in words is "forty-nine million, four hundred ninety-two thousand, four hundred eighty-nine".