245005628029 has 4 divisors (see below), whose sum is σ = 250703433376. Its totient is φ = 239307822684.

The previous prime is 245005628009. The next prime is 245005628081. The reversal of 245005628029 is 920826500542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245005628029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 5697805303 = 245005628029 / (2 + 4 + 5 + 0 + 0 + 5 + 6 + 2 + 8 + 0 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245005628009) 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, 2848902609 + ... + 2848902694.

It is an arithmetic number, because the mean of its divisors is an integer number (62675858344).

Almost surely, 2^245005628029 is an apocalyptic number.

It is an amenable number.

245005628029 is a deficient number, since it is larger than the sum of its proper divisors (5697805347).

245005628029 is an equidigital number, since it uses as much as digits as its factorization.

245005628029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697805346.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 245005628029 in words is "two hundred forty-five billion, five million, six hundred twenty-eight thousand, twenty-nine".