10423051649 has 2 divisors, whose sum is σ = 10423051650. Its totient is φ = 10423051648.

The previous prime is 10423051493. The next prime is 10423051699. The reversal of 10423051649 is 94615032401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6826890625 + 3596161024 = 82625^2 + 59968^2 .

It is an emirp because it is prime and its reverse (94615032401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10423051649 - 2¹² = 10423047553 is a prime.

It is not a weakly prime, because it can be changed into another prime (10423051699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211525824 + 5211525825.

It is an arithmetic number, because the mean of its divisors is an integer number (5211525825).

Almost surely, 2^10423051649 is an apocalyptic number.

It is an amenable number.

10423051649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10423051649 is an equidigital number, since it uses as much as digits as its factorization.

10423051649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 10423051649 in words is "ten billion, four hundred twenty-three million, fifty-one thousand, six hundred forty-nine".