49654597693 has 4 divisors (see below), whose sum is σ = 50166500860. Its totient is φ = 49142694528.

The previous prime is 49654597687. The next prime is 49654597721. The reversal of 49654597693 is 39679545694.

49654597693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 24349105764 + 25305491929 = 156042^2 + 159077^2 .

It is a cyclic number.

It is not a de Polignac number, because 49654597693 - 2²⁹ = 49117726781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49654592693) 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, 255951438 + ... + 255951631.

It is an arithmetic number, because the mean of its divisors is an integer number (12541625215).

Almost surely, 2^49654597693 is an apocalyptic number.

It is an amenable number.

49654597693 is a deficient number, since it is larger than the sum of its proper divisors (511903167).

49654597693 is an equidigital number, since it uses as much as digits as its factorization.

49654597693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511903166.

The product of its digits is 220449600, while the sum is 67.

The spelling of 49654597693 in words is "forty-nine billion, six hundred fifty-four million, five hundred ninety-seven thousand, six hundred ninety-three".