7446981631 has 16 divisors (see below), whose sum is σ = 8000567424. Its totient is φ = 6906415104.

The previous prime is 7446981629. The next prime is 7446981637. The reversal of 7446981631 is 1361896447.

It is not a de Polignac number, because 7446981631 - 2¹ = 7446981629 is a prime.

It is a super-2 number, since 2×7446981631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7446981637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763835 + ... + 1768051.

It is an arithmetic number, because the mean of its divisors is an integer number (500035464).

Almost surely, 2^7446981631 is an apocalyptic number.

7446981631 is a deficient number, since it is larger than the sum of its proper divisors (553585793).

7446981631 is a wasteful number, since it uses less digits than its factorization.

7446981631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730.

The product of its digits is 870912, while the sum is 49.

The square root of 7446981631 is about 86295.8957946437. The cubic root of 7446981631 is about 1952.8104669090.

The spelling of 7446981631 in words is "seven billion, four hundred forty-six million, nine hundred eighty-one thousand, six hundred thirty-one".