246154490389 has 2 divisors, whose sum is σ = 246154490390. Its totient is φ = 246154490388.

The previous prime is 246154490383. The next prime is 246154490411. The reversal of 246154490389 is 983094451642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243947088100 + 2207402289 = 493910^2 + 46983^2 .

It is a cyclic number.

It is not a de Polignac number, because 246154490389 - 2⁵ = 246154490357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246154490383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123077245194 + 123077245195.

It is an arithmetic number, because the mean of its divisors is an integer number (123077245195).

Almost surely, 2^246154490389 is an apocalyptic number.

It is an amenable number.

246154490389 is a deficient number, since it is larger than the sum of its proper divisors (1).

246154490389 is an equidigital number, since it uses as much as digits as its factorization.

246154490389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 246154490389 in words is "two hundred forty-six billion, one hundred fifty-four million, four hundred ninety thousand, three hundred eighty-nine".