246401628257 has 2 divisors, whose sum is σ = 246401628258. Its totient is φ = 246401628256.

The previous prime is 246401628223. The next prime is 246401628349. The reversal of 246401628257 is 752826104642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242803548001 + 3598080256 = 492751^2 + 59984^2 .

It is a cyclic number.

It is not a de Polignac number, because 246401628257 - 2¹⁴ = 246401611873 is a prime.

It is not a weakly prime, because it can be changed into another prime (246401688257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123200814128 + 123200814129.

It is an arithmetic number, because the mean of its divisors is an integer number (123200814129).

Almost surely, 2^246401628257 is an apocalyptic number.

It is an amenable number.

246401628257 is a deficient number, since it is larger than the sum of its proper divisors (1).

246401628257 is an equidigital number, since it uses as much as digits as its factorization.

246401628257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 246401628257 in words is "two hundred forty-six billion, four hundred one million, six hundred twenty-eight thousand, two hundred fifty-seven".