49745320453 has 2 divisors, whose sum is σ = 49745320454. Its totient is φ = 49745320452.

The previous prime is 49745320411. The next prime is 49745320553. The reversal of 49745320453 is 35402354794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49630037284 + 115283169 = 222778^2 + 10737^2 .

It is a cyclic number.

It is not a de Polignac number, because 49745320453 - 2³³ = 41155385861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49745320153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24872660226 + 24872660227.

It is an arithmetic number, because the mean of its divisors is an integer number (24872660227).

Almost surely, 2^49745320453 is an apocalyptic number.

It is an amenable number.

49745320453 is a deficient number, since it is larger than the sum of its proper divisors (1).

49745320453 is an equidigital number, since it uses as much as digits as its factorization.

49745320453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 49745320453 in words is "forty-nine billion, seven hundred forty-five million, three hundred twenty thousand, four hundred fifty-three".