15494859829 has 2 divisors, whose sum is σ = 15494859830. Its totient is φ = 15494859828.

The previous prime is 15494859823. The next prime is 15494859839. The reversal of 15494859829 is 92895849451.

15494859829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14957779204 + 537080625 = 122302^2 + 23175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15494859829 is a prime.

It is a super-2 number, since 2×15494859829² (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 (15494859823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7747429914 + 7747429915.

It is an arithmetic number, because the mean of its divisors is an integer number (7747429915).

Almost surely, 2^15494859829 is an apocalyptic number.

It is an amenable number.

15494859829 is a deficient number, since it is larger than the sum of its proper divisors (1).

15494859829 is an equidigital number, since it uses as much as digits as its factorization.

15494859829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37324800, while the sum is 64.

The spelling of 15494859829 in words is "fifteen billion, four hundred ninety-four million, eight hundred fifty-nine thousand, eight hundred twenty-nine".