7631286663381 has 8 divisors (see below), whose sum is σ = 10773581171904. Its totient is φ = 4788258298560.

The previous prime is 7631286663293. The next prime is 7631286663487. The reversal of 7631286663381 is 1833666821367.

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

It is not a de Polignac number, because 7631286663381 - 2¹⁹ = 7631286139093 is a prime.

It is a super-3 number, since 3×7631286663381³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7631286683381) 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, 74816535865 + ... + 74816535966.

It is an arithmetic number, because the mean of its divisors is an integer number (1346697646488).

Almost surely, 2^{7631286663381} is an apocalyptic number.

It is an amenable number.

7631286663381 is a deficient number, since it is larger than the sum of its proper divisors (3142294508523).

7631286663381 is a wasteful number, since it uses less digits than its factorization.

7631286663381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149633071851.

The product of its digits is 31352832, while the sum is 60.

The spelling of 7631286663381 in words is "seven trillion, six hundred thirty-one billion, two hundred eighty-six million, six hundred sixty-three thousand, three hundred eighty-one".