15641384513 has 2 divisors, whose sum is σ = 15641384514. Its totient is φ = 15641384512.

The previous prime is 15641384489. The next prime is 15641384537. The reversal of 15641384513 is 31548314651.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (15641384489) and next prime (15641384537).

It can be written as a sum of positive squares in only one way, i.e., 11505351169 + 4136033344 = 107263^2 + 64312^2 .

It is a cyclic number.

It is not a de Polignac number, because 15641384513 - 2¹⁶ = 15641318977 is a prime.

It is not a weakly prime, because it can be changed into another prime (15641384543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7820692256 + 7820692257.

It is an arithmetic number, because the mean of its divisors is an integer number (7820692257).

Almost surely, 2^15641384513 is an apocalyptic number.

It is an amenable number.

15641384513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15641384513 is an equidigital number, since it uses as much as digits as its factorization.

15641384513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

It can be divided in two parts, 1564138 and 4513, that added together give a palindrome (1568651).

The spelling of 15641384513 in words is "fifteen billion, six hundred forty-one million, three hundred eighty-four thousand, five hundred thirteen".