525444550507429 has 12 divisors (see below), whose sum is σ = 611232738177324. Its totient is φ = 450380068979904.

The previous prime is 525444550507421. The next prime is 525444550507477. The reversal of 525444550507429 is 924705055444525.

It can be written as a sum of positive squares in 2 ways, for example, as 300874245158529 + 224570305348900 = 17345727^2 + 14985670^2 .

It is not a de Polignac number, because 525444550507429 - 2³ = 525444550507421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525444550507421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11757769 + ... + 34483825.

It is an arithmetic number, because the mean of its divisors is an integer number (50936061514777).

Almost surely, 2^{525444550507429} is an apocalyptic number.

It is an amenable number.

525444550507429 is a deficient number, since it is larger than the sum of its proper divisors (85788187669895).

525444550507429 is a wasteful number, since it uses less digits than its factorization.

525444550507429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23197924 (or 23197917 counting only the distinct ones).

The product of its (nonzero) digits is 201600000, while the sum is 61.

The spelling of 525444550507429 in words is "five hundred twenty-five trillion, four hundred forty-four billion, five hundred fifty million, five hundred seven thousand, four hundred twenty-nine".