49893397061 has 2 divisors, whose sum is σ = 49893397062. Its totient is φ = 49893397060.

The previous prime is 49893397049. The next prime is 49893397091. The reversal of 49893397061 is 16079339894.

49893397061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36097720036 + 13795677025 = 189994^2 + 117455^2 .

It is a cyclic number.

It is not a de Polignac number, because 49893397061 - 2¹⁰ = 49893396037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49893397091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24946698530 + 24946698531.

It is an arithmetic number, because the mean of its divisors is an integer number (24946698531).

Almost surely, 2^49893397061 is an apocalyptic number.

It is an amenable number.

49893397061 is a deficient number, since it is larger than the sum of its proper divisors (1).

49893397061 is an equidigital number, since it uses as much as digits as its factorization.

49893397061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 49893397061 in words is "forty-nine billion, eight hundred ninety-three million, three hundred ninety-seven thousand, sixty-one".