246446651641 has 2 divisors, whose sum is σ = 246446651642. Its totient is φ = 246446651640.

The previous prime is 246446651621. The next prime is 246446651677. The reversal of 246446651641 is 146156644642.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241233234025 + 5213417616 = 491155^2 + 72204^2 .

It is a cyclic number.

It is not a de Polignac number, because 246446651641 - 2¹⁹ = 246446127353 is a prime.

It is not a weakly prime, because it can be changed into another prime (246446651621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123223325820 + 123223325821.

It is an arithmetic number, because the mean of its divisors is an integer number (123223325821).

Almost surely, 2^246446651641 is an apocalyptic number.

It is an amenable number.

246446651641 is a deficient number, since it is larger than the sum of its proper divisors (1).

246446651641 is an equidigital number, since it uses as much as digits as its factorization.

246446651641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 49.

The spelling of 246446651641 in words is "two hundred forty-six billion, four hundred forty-six million, six hundred fifty-one thousand, six hundred forty-one".