8461554008631 has 32 divisors (see below), whose sum is σ = 11603300544000. Its totient is φ = 5482453811328.

The previous prime is 8461554008617. The next prime is 8461554008639. The reversal of 8461554008631 is 1368004551648.

It is a happy number.

It is not a de Polignac number, because 8461554008631 - 2¹⁰ = 8461554007607 is a prime.

It is a super-2 number, since 2×8461554008631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461554008639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71674030 + ... + 71791988.

It is an arithmetic number, because the mean of its divisors is an integer number (362603142000).

Almost surely, 2^{8461554008631} is an apocalyptic number.

8461554008631 is a deficient number, since it is larger than the sum of its proper divisors (3141746535369).

8461554008631 is a wasteful number, since it uses less digits than its factorization.

8461554008631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122263.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 8461554008631 in words is "eight trillion, four hundred sixty-one billion, five hundred fifty-four million, eight thousand, six hundred thirty-one".