15042630653 has 2 divisors, whose sum is σ = 15042630654.
Its totient is φ = 15042630652.
The previous prime is 15042630649. The next prime is 15042630661. The reversal of 15042630653 is 35603624051.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12286170649 + 2756460004 = 110843^2 + 52502^2
It is a cyclic number.
It is not a de Polignac number, because 15042630653 - 22 = 15042630649 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (15042630613) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7521315326 + 7521315327.
It is an arithmetic number, because the mean of its divisors is an integer number (7521315327).
Almost surely, 215042630653 is an apocalyptic number.
It is an amenable number.
15042630653 is a deficient number, since it is larger than the sum of its proper divisors (1).
15042630653 is an equidigital number, since it uses as much as digits as its factorization.
15042630653 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 64800, while the sum is 35.
The spelling of 15042630653 in words is "fifteen billion, forty-two million, six hundred thirty thousand, six hundred fifty-three".