7146382881 has 32 divisors (see below), whose sum is σ = 10471127040. Its totient is φ = 4299436800.

The previous prime is 7146382823. The next prime is 7146382891. The reversal of 7146382881 is 1882836417.

It is not a de Polignac number, because 7146382881 - 2²² = 7142188577 is a prime.

It is a super-2 number, since 2×7146382881² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7146382881.

It is not an unprimeable number, because it can be changed into a prime (7146382891) 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, 2853876 + ... + 2856378.

It is an arithmetic number, because the mean of its divisors is an integer number (327222720).

Almost surely, 2^7146382881 is an apocalyptic number.

It is an amenable number.

7146382881 is a deficient number, since it is larger than the sum of its proper divisors (3324744159).

7146382881 is a wasteful number, since it uses less digits than its factorization.

7146382881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its digits is 516096, while the sum is 48.

The square root of 7146382881 is about 84536.2814476719. The cubic root of 7146382881 is about 1926.1736032130.

The spelling of 7146382881 in words is "seven billion, one hundred forty-six million, three hundred eighty-two thousand, eight hundred eighty-one".