10556124749 has 2 divisors, whose sum is σ = 10556124750. Its totient is φ = 10556124748.

The previous prime is 10556124713. The next prime is 10556124769. The reversal of 10556124749 is 94742165501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8795063524 + 1761061225 = 93782^2 + 41965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10556124749 is a prime.

It is a super-2 number, since 2×10556124749² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10556124769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278062374 + 5278062375.

It is an arithmetic number, because the mean of its divisors is an integer number (5278062375).

Almost surely, 2^10556124749 is an apocalyptic number.

It is an amenable number.

10556124749 is a deficient number, since it is larger than the sum of its proper divisors (1).

10556124749 is an equidigital number, since it uses as much as digits as its factorization.

10556124749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 10556124749 in words is "ten billion, five hundred fifty-six million, one hundred twenty-four thousand, seven hundred forty-nine".