545045203631 has 2 divisors, whose sum is σ = 545045203632. Its totient is φ = 545045203630.

The previous prime is 545045203621. The next prime is 545045203691. The reversal of 545045203631 is 136302540545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545045203631 - 2⁶ = 545045203567 is a prime.

It is a super-2 number, since 2×545045203631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545045203621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272522601815 + 272522601816.

It is an arithmetic number, because the mean of its divisors is an integer number (272522601816).

Almost surely, 2^545045203631 is an apocalyptic number.

545045203631 is a deficient number, since it is larger than the sum of its proper divisors (1).

545045203631 is an equidigital number, since it uses as much as digits as its factorization.

545045203631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 545045203631 in words is "five hundred forty-five billion, forty-five million, two hundred three thousand, six hundred thirty-one".