49097709 has 24 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 31016832.

The previous prime is 49097693. The next prime is 49097723. The reversal of 49097709 is 90779094.

49097709 is a `hidden beast` number, since 490 + 97 + 70 + 9 = 666.

It is not a de Polignac number, because 49097709 - 2⁴ = 49097693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49097749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22342 + ... + 24440.

It is an arithmetic number, because the mean of its divisors is an integer number (3112200).

Almost surely, 2^49097709 is an apocalyptic number.

It is an amenable number.

49097709 is a deficient number, since it is larger than the sum of its proper divisors (25595091).

49097709 is a wasteful number, since it uses less digits than its factorization.

49097709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 49097709 is about 7006.9757385052. The cubic root of 49097709 is about 366.1736388306.

The spelling of 49097709 in words is "forty-nine million, ninety-seven thousand, seven hundred nine".