42650550253 has 2 divisors, whose sum is σ = 42650550254. Its totient is φ = 42650550252.

The previous prime is 42650550221. The next prime is 42650550269. The reversal of 42650550253 is 35205505624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38816092324 + 3834457929 = 197018^2 + 61923^2 .

It is a cyclic number.

It is not a de Polignac number, because 42650550253 - 2⁵ = 42650550221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42650500253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21325275126 + 21325275127.

It is an arithmetic number, because the mean of its divisors is an integer number (21325275127).

Almost surely, 2^42650550253 is an apocalyptic number.

It is an amenable number.

42650550253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42650550253 is an equidigital number, since it uses as much as digits as its factorization.

42650550253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 42650550253 in words is "forty-two billion, six hundred fifty million, five hundred fifty thousand, two hundred fifty-three".