63331005454085 has 16 divisors (see below), whose sum is σ = 80476072444656. Its totient is φ = 47679519095808.

The previous prime is 63331005454043. The next prime is 63331005454103. The reversal of 63331005454085 is 58045450013336.

It is a Cunningham number, because it is equal to 7958078²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 281831450884 + 63049174003201 = 530878^2 + 7940351^2 .

It is a cyclic number.

It is not a de Polignac number, because 63331005454085 - 2³⁸ = 63056127547141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38268194 + ... + 39888803.

It is an arithmetic number, because the mean of its divisors is an integer number (5029754527791).

Almost surely, 2^{63331005454085} is an apocalyptic number.

It is an amenable number.

63331005454085 is a deficient number, since it is larger than the sum of its proper divisors (17145066990571).

63331005454085 is a wasteful number, since it uses less digits than its factorization.

63331005454085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78166552.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 63331005454085 in words is "sixty-three trillion, three hundred thirty-one billion, five million, four hundred fifty-four thousand, eighty-five".