49201949 has 2 divisors, whose sum is σ = 49201950. Its totient is φ = 49201948.

The previous prime is 49201931. The next prime is 49201981. The reversal of 49201949 is 94910294.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40896025 + 8305924 = 6395^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 49201949 - 2¹² = 49197853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49201549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24600974 + 24600975.

It is an arithmetic number, because the mean of its divisors is an integer number (24600975).

Almost surely, 2^49201949 is an apocalyptic number.

It is an amenable number.

49201949 is a deficient number, since it is larger than the sum of its proper divisors (1).

49201949 is an equidigital number, since it uses as much as digits as its factorization.

49201949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 49201949 is about 7014.4100963659. The cubic root of 49201949 is about 366.4325983603.

The spelling of 49201949 in words is "forty-nine million, two hundred one thousand, nine hundred forty-nine".