49070149 has 4 divisors (see below), whose sum is σ = 49090860. Its totient is φ = 49049440.

The previous prime is 49070113. The next prime is 49070167. The reversal of 49070149 is 94107094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48205249 + 864900 = 6943^2 + 930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49070149 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49073149) 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 3 ways as a sum of consecutive naturals, for example, 6262 + ... + 11719.

It is an arithmetic number, because the mean of its divisors is an integer number (12272715).

Almost surely, 2^49070149 is an apocalyptic number.

It is an amenable number.

49070149 is a deficient number, since it is larger than the sum of its proper divisors (20711).

49070149 is a wasteful number, since it uses less digits than its factorization.

49070149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20710.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 49070149 is about 7005.0088508153. The cubic root of 49070149 is about 366.1051112995.

The spelling of 49070149 in words is "forty-nine million, seventy thousand, one hundred forty-nine".