526400553493 has 8 divisors (see below), whose sum is σ = 536186023712. Its totient is φ = 516671811216.

The previous prime is 526400553473. The next prime is 526400553499. The reversal of 526400553493 is 394355004625.

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

It is a cyclic number.

It is not a de Polignac number, because 526400553493 - 2²¹ = 526398456341 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 (526400553499) 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, 14163255 + ... + 14200372.

It is an arithmetic number, because the mean of its divisors is an integer number (67023252964).

Almost surely, 2^526400553493 is an apocalyptic number.

It is an amenable number.

526400553493 is a deficient number, since it is larger than the sum of its proper divisors (9785470219).

526400553493 is a wasteful number, since it uses less digits than its factorization.

526400553493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28363971.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 526400553493 in words is "five hundred twenty-six billion, four hundred million, five hundred fifty-three thousand, four hundred ninety-three".