49746525761 has 4 divisors (see below), whose sum is σ = 50427985092. Its totient is φ = 49065066432.

The previous prime is 49746525739. The next prime is 49746525767. The reversal of 49746525761 is 16752564794.

It is a happy number.

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 12428013361 + 37318512400 = 111481^2 + 193180^2 .

It is a cyclic number.

It is not a de Polignac number, because 49746525761 - 2³⁰ = 48672783937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49746525697 and 49746525706.

It is not an unprimeable number, because it can be changed into a prime (49746525767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340729556 + ... + 340729701.

It is an arithmetic number, because the mean of its divisors is an integer number (12606996273).

Almost surely, 2^49746525761 is an apocalyptic number.

It is an amenable number.

49746525761 is a deficient number, since it is larger than the sum of its proper divisors (681459331).

49746525761 is an equidigital number, since it uses as much as digits as its factorization.

49746525761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681459330.

The product of its digits is 12700800, while the sum is 56.

The spelling of 49746525761 in words is "forty-nine billion, seven hundred forty-six million, five hundred twenty-five thousand, seven hundred sixty-one".