10520362549 has 2 divisors, whose sum is σ = 10520362550. Its totient is φ = 10520362548.

The previous prime is 10520362537. The next prime is 10520362607. The reversal of 10520362549 is 94526302501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9463787524 + 1056575025 = 97282^2 + 32505^2 .

It is a cyclic number.

It is not a de Polignac number, because 10520362549 - 2¹³ = 10520354357 is a prime.

It is a super-2 number, since 2×10520362549² (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 (10520362519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260181274 + 5260181275.

It is an arithmetic number, because the mean of its divisors is an integer number (5260181275).

Almost surely, 2^10520362549 is an apocalyptic number.

It is an amenable number.

10520362549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520362549 is an equidigital number, since it uses as much as digits as its factorization.

10520362549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 10520362549 in words is "ten billion, five hundred twenty million, three hundred sixty-two thousand, five hundred forty-nine".