29289428793015 has 16 divisors (see below), whose sum is σ = 48129655963488. Its totient is φ = 15198838724736.

The previous prime is 29289428793013. The next prime is 29289428793019. The reversal of 29289428793015 is 51039782498292.

It is not a de Polignac number, because 29289428793015 - 2¹ = 29289428793013 is a prime.

It is a super-2 number, since 2×29289428793015² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29289428793013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26386872232 + ... + 26386873341.

It is an arithmetic number, because the mean of its divisors is an integer number (3008103497718).

Almost surely, 2^{29289428793015} is an apocalyptic number.

29289428793015 is a deficient number, since it is larger than the sum of its proper divisors (18840227170473).

29289428793015 is a wasteful number, since it uses less digits than its factorization.

29289428793015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52773745618.

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 29289428793015 in words is "twenty-nine trillion, two hundred eighty-nine billion, four hundred twenty-eight million, seven hundred ninety-three thousand, fifteen".