7491806982630 has 192 divisors, whose sum is σ = 21417404037120. Its totient is φ = 1877744623104.

The previous prime is 7491806982623. The next prime is 7491806982643. The reversal of 7491806982630 is 362896081947.

7491806982630 is a `hidden beast` number, since 7 + 491 + 8 + 0 + 6 + 9 + 82 + 63 + 0 = 666.

It is a super-2 number, since 2×7491806982630² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30405387 + ... + 30650793.

It is an arithmetic number, because the mean of its divisors is an integer number (111548979360).

Almost surely, 2^{7491806982630} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7491806982630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10708702018560).

7491806982630 is an abundant number, since it is smaller than the sum of its proper divisors (13925597054490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7491806982630 is a wasteful number, since it uses less digits than its factorization.

7491806982630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246185 (or 246173 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 7491806982630 in words is "seven trillion, four hundred ninety-one billion, eight hundred six million, nine hundred eighty-two thousand, six hundred thirty".