463121049649 has 2 divisors, whose sum is σ = 463121049650. Its totient is φ = 463121049648.

The previous prime is 463121049619. The next prime is 463121049733. The reversal of 463121049649 is 946940121364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462291206400 + 829843249 = 679920^2 + 28807^2 .

It is a cyclic number.

It is not a de Polignac number, because 463121049649 - 2⁹ = 463121049137 is a prime.

It is a super-2 number, since 2×463121049649² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (463121049619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231560524824 + 231560524825.

It is an arithmetic number, because the mean of its divisors is an integer number (231560524825).

Almost surely, 2^463121049649 is an apocalyptic number.

It is an amenable number.

463121049649 is a deficient number, since it is larger than the sum of its proper divisors (1).

463121049649 is an equidigital number, since it uses as much as digits as its factorization.

463121049649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 463121049649 in words is "four hundred sixty-three billion, one hundred twenty-one million, forty-nine thousand, six hundred forty-nine".