7480822731981 has 8 divisors (see below), whose sum is σ = 10037961713184. Its totient is φ = 4955449452720.

The previous prime is 7480822731973. The next prime is 7480822731989. The reversal of 7480822731981 is 1891372280847.

It is an interprime number because it is at equal distance from previous prime (7480822731973) and next prime (7480822731989).

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

It is not a de Polignac number, because 7480822731981 - 2³ = 7480822731973 is a prime.

It is a super-2 number, since 2×7480822731981² (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 (7480822731989) 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, 7941424935 + ... + 7941425876.

It is an arithmetic number, because the mean of its divisors is an integer number (1254745214148).

Almost surely, 2^{7480822731981} is an apocalyptic number.

It is an amenable number.

7480822731981 is a deficient number, since it is larger than the sum of its proper divisors (2557138981203).

7480822731981 is a wasteful number, since it uses less digits than its factorization.

7480822731981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15882850971.

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 7480822731981 in words is "seven trillion, four hundred eighty billion, eight hundred twenty-two million, seven hundred thirty-one thousand, nine hundred eighty-one".