49148709 has 8 divisors (see below), whose sum is σ = 67130112. Its totient is φ = 31966560.

The previous prime is 49148689. The next prime is 49148719. The reversal of 49148709 is 90784194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49148709 - 2¹¹ = 49146661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49148719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199669 + ... + 199914.

It is an arithmetic number, because the mean of its divisors is an integer number (8391264).

Almost surely, 2^49148709 is an apocalyptic number.

It is an amenable number.

49148709 is a deficient number, since it is larger than the sum of its proper divisors (17981403).

49148709 is a wasteful number, since it uses less digits than its factorization.

49148709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399627.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 49148709 is about 7010.6140244632. The cubic root of 49148709 is about 366.3003819689.

The spelling of 49148709 in words is "forty-nine million, one hundred forty-eight thousand, seven hundred nine".