1575428224979 has 8 divisors (see below), whose sum is σ = 1801161998688. Its totient is φ = 1349862600960.

The previous prime is 1575428224919. The next prime is 1575428225009. The reversal of 1575428224979 is 9794228245751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1575428224979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1575428224919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42017342 + ... + 42054819.

It is an arithmetic number, because the mean of its divisors is an integer number (225145249836).

Almost surely, 2^{1575428224979} is an apocalyptic number.

1575428224979 is a deficient number, since it is larger than the sum of its proper divisors (225733773709).

1575428224979 is an equidigital number, since it uses as much as digits as its factorization.

1575428224979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84074845.

The product of its digits is 101606400, while the sum is 65.

The spelling of 1575428224979 in words is "one trillion, five hundred seventy-five billion, four hundred twenty-eight million, two hundred twenty-four thousand, nine hundred seventy-nine".