49171051497 has 32 divisors (see below), whose sum is σ = 66928809600. Its totient is φ = 32103295488.

The previous prime is 49171051477. The next prime is 49171051507. The reversal of 49171051497 is 79415017194.

It is a happy number.

It is not a de Polignac number, because 49171051497 - 2¹⁰ = 49171050473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49171051477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44822653 + ... + 44823749.

It is an arithmetic number, because the mean of its divisors is an integer number (2091525300).

Almost surely, 2^49171051497 is an apocalyptic number.

It is an amenable number.

49171051497 is a deficient number, since it is larger than the sum of its proper divisors (17757758103).

49171051497 is a wasteful number, since it uses less digits than its factorization.

49171051497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 49171051497 in words is "forty-nine billion, one hundred seventy-one million, fifty-one thousand, four hundred ninety-seven".