7146981965 has 8 divisors (see below), whose sum is σ = 8586321408. Its totient is φ = 5710956880.

The previous prime is 7146981949. The next prime is 7146981973. The reversal of 7146981965 is 5691896417.

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

It is not a de Polignac number, because 7146981965 - 2⁴ = 7146981949 is a prime.

It is a super-2 number, since 2×7146981965² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7146981965.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823841 + ... + 832470.

It is an arithmetic number, because the mean of its divisors is an integer number (1073290176).

Almost surely, 2^7146981965 is an apocalyptic number.

It is an amenable number.

7146981965 is a deficient number, since it is larger than the sum of its proper divisors (1439339443).

7146981965 is a wasteful number, since it uses less digits than its factorization.

7146981965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657179.

The product of its digits is 3265920, while the sum is 56.

The square root of 7146981965 is about 84539.8247277577. The cubic root of 7146981965 is about 1926.2274256648.

The spelling of 7146981965 in words is "seven billion, one hundred forty-six million, nine hundred eighty-one thousand, nine hundred sixty-five".