8151922943 has 16 divisors (see below), whose sum is σ = 8893203840. Its totient is φ = 7442620416.

The previous prime is 8151922931. The next prime is 8151922969. The reversal of 8151922943 is 3492291518.

It is a Cunningham number, because it is equal to 90288²-1.

It is a cyclic number.

It is not a de Polignac number, because 8151922943 - 2⁶ = 8151922879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8151922894 and 8151922903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8151922903) 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, 45143 + ... + 135431.

It is an arithmetic number, because the mean of its divisors is an integer number (555825240).

Almost surely, 2^8151922943 is an apocalyptic number.

8151922943 is a deficient number, since it is larger than the sum of its proper divisors (741280897).

8151922943 is a wasteful number, since it uses less digits than its factorization.

8151922943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90466.

The product of its digits is 155520, while the sum is 44.

The square root of 8151922943 is about 90287.9999944622. Note that the first 5 decimals coincide. The cubic root of 8151922943 is about 2012.5809392907.

The spelling of 8151922943 in words is "eight billion, one hundred fifty-one million, nine hundred twenty-two thousand, nine hundred forty-three".