238546281749 has 2 divisors, whose sum is σ = 238546281750. Its totient is φ = 238546281748.

The previous prime is 238546281739. The next prime is 238546281761. The reversal of 238546281749 is 947182645832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238541397649 + 4884100 = 488407^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 238546281749 - 2¹² = 238546277653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238546281739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119273140874 + 119273140875.

It is an arithmetic number, because the mean of its divisors is an integer number (119273140875).

Almost surely, 2^238546281749 is an apocalyptic number.

It is an amenable number.

238546281749 is a deficient number, since it is larger than the sum of its proper divisors (1).

238546281749 is an equidigital number, since it uses as much as digits as its factorization.

238546281749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 59.

The spelling of 238546281749 in words is "two hundred thirty-eight billion, five hundred forty-six million, two hundred eighty-one thousand, seven hundred forty-nine".