164283250949 has 2 divisors, whose sum is σ = 164283250950. Its totient is φ = 164283250948.

The previous prime is 164283250933. The next prime is 164283250969. The reversal of 164283250949 is 949052382461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158071446724 + 6211804225 = 397582^2 + 78815^2 .

It is a cyclic number.

It is not a de Polignac number, because 164283250949 - 2⁴ = 164283250933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164283250949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164283250909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82141625474 + 82141625475.

It is an arithmetic number, because the mean of its divisors is an integer number (82141625475).

Almost surely, 2^164283250949 is an apocalyptic number.

It is an amenable number.

164283250949 is a deficient number, since it is larger than the sum of its proper divisors (1).

164283250949 is an equidigital number, since it uses as much as digits as its factorization.

164283250949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 164283250949 in words is "one hundred sixty-four billion, two hundred eighty-three million, two hundred fifty thousand, nine hundred forty-nine".