29917624045 has 4 divisors (see below), whose sum is σ = 35901148860. Its totient is φ = 23934099232.

The previous prime is 29917624043. The next prime is 29917624073. The reversal of 29917624045 is 54042671992.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22717422729 + 7200201316 = 150723^2 + 84854^2 .

It is a cyclic number.

It is not a de Polignac number, because 29917624045 - 2¹ = 29917624043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29917624045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29917624043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2991762400 + ... + 2991762409.

It is an arithmetic number, because the mean of its divisors is an integer number (8975287215).

Almost surely, 2^29917624045 is an apocalyptic number.

It is an amenable number.

29917624045 is a deficient number, since it is larger than the sum of its proper divisors (5983524815).

29917624045 is an equidigital number, since it uses as much as digits as its factorization.

29917624045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983524814.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 29917624045 in words is "twenty-nine billion, nine hundred seventeen million, six hundred twenty-four thousand, forty-five".