250906947133 has 2 divisors, whose sum is σ = 250906947134. Its totient is φ = 250906947132.

The previous prime is 250906947107. The next prime is 250906947173. The reversal of 250906947133 is 331749609052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159701739129 + 91205208004 = 399627^2 + 302002^2 .

It is a cyclic number.

It is not a de Polignac number, because 250906947133 - 2²¹ = 250904849981 is a prime.

It is a super-2 number, since 2×250906947133² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250906947173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125453473566 + 125453473567.

It is an arithmetic number, because the mean of its divisors is an integer number (125453473567).

Almost surely, 2^250906947133 is an apocalyptic number.

It is an amenable number.

250906947133 is a deficient number, since it is larger than the sum of its proper divisors (1).

250906947133 is an equidigital number, since it uses as much as digits as its factorization.

250906947133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 250906947133 in words is "two hundred fifty billion, nine hundred six million, nine hundred forty-seven thousand, one hundred thirty-three".