15405506483 has 2 divisors, whose sum is σ = 15405506484. Its totient is φ = 15405506482.

The previous prime is 15405506387. The next prime is 15405506509. The reversal of 15405506483 is 38460550451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15405506483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15405506483.

It is not a weakly prime, because it can be changed into another prime (15405500483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7702753241 + 7702753242.

It is an arithmetic number, because the mean of its divisors is an integer number (7702753242).

Almost surely, 2^15405506483 is an apocalyptic number.

15405506483 is a deficient number, since it is larger than the sum of its proper divisors (1).

15405506483 is an equidigital number, since it uses as much as digits as its factorization.

15405506483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 15405506483 in words is "fifteen billion, four hundred five million, five hundred six thousand, four hundred eighty-three".