49231309697 has 16 divisors (see below), whose sum is σ = 53365498560. Its totient is φ = 45265252032.

The previous prime is 49231309679. The next prime is 49231309717. The reversal of 49231309697 is 79690313294.

It is a happy number.

49231309697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 49231309697 - 2⁸ = 49231309441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49231309607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63638 + ... + 320175.

It is an arithmetic number, because the mean of its divisors is an integer number (3335343660).

Almost surely, 2^49231309697 is an apocalyptic number.

It is an amenable number.

49231309697 is a deficient number, since it is larger than the sum of its proper divisors (4134188863).

49231309697 is a wasteful number, since it uses less digits than its factorization.

49231309697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384032.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 49231309697 in words is "forty-nine billion, two hundred thirty-one million, three hundred nine thousand, six hundred ninety-seven".