525444547745413 has 16 divisors (see below), whose sum is σ = 553211112453120. Its totient is φ = 497689147313136.

The previous prime is 525444547745347. The next prime is 525444547745483. The reversal of 525444547745413 is 314547745444525.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525444547745413 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 (525444547745483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5529376206 + ... + 5529471232.

It is an arithmetic number, because the mean of its divisors is an integer number (34575694528320).

Almost surely, 2^{525444547745413} is an apocalyptic number.

It is an amenable number.

525444547745413 is a deficient number, since it is larger than the sum of its proper divisors (27766564707707).

525444547745413 is a wasteful number, since it uses less digits than its factorization.

525444547745413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150696.

The product of its digits is 752640000, while the sum is 64.

The spelling of 525444547745413 in words is "five hundred twenty-five trillion, four hundred forty-four billion, five hundred forty-seven million, seven hundred forty-five thousand, four hundred thirteen".