10340521537 has 2 divisors, whose sum is σ = 10340521538. Its totient is φ = 10340521536.

The previous prime is 10340521519. The next prime is 10340521649. The reversal of 10340521537 is 73512504301.

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., 7412521216 + 2928000321 = 86096^2 + 54111^2 .

It is an emirp because it is prime and its reverse (73512504301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10340521537 - 2¹¹ = 10340519489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10340521499 and 10340521508.

It is not a weakly prime, because it can be changed into another prime (10340551537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5170260768 + 5170260769.

It is an arithmetic number, because the mean of its divisors is an integer number (5170260769).

Almost surely, 2^10340521537 is an apocalyptic number.

It is an amenable number.

10340521537 is a deficient number, since it is larger than the sum of its proper divisors (1).

10340521537 is an equidigital number, since it uses as much as digits as its factorization.

10340521537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 10340521537 in words is "ten billion, three hundred forty million, five hundred twenty-one thousand, five hundred thirty-seven".