545405522631 has 8 divisors (see below), whose sum is σ = 728272091520. Its totient is φ = 363071317752.

The previous prime is 545405522569. The next prime is 545405522653. The reversal of 545405522631 is 136225504545.

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

It is not a de Polignac number, because 545405522631 - 2¹⁸ = 545405260487 is a prime.

It is a super-2 number, since 2×545405522631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545405622631) 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, 133088611 + ... + 133092708.

It is an arithmetic number, because the mean of its divisors is an integer number (91034011440).

Almost surely, 2^545405522631 is an apocalyptic number.

545405522631 is a deficient number, since it is larger than the sum of its proper divisors (182866568889).

545405522631 is a wasteful number, since it uses less digits than its factorization.

545405522631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266182005.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 545405522631 in words is "five hundred forty-five billion, four hundred five million, five hundred twenty-two thousand, six hundred thirty-one".