2842921720 has 16 divisors (see below), whose sum is σ = 6396573960. Its totient is φ = 1137168672.

The previous prime is 2842921717. The next prime is 2842921723. The reversal of 2842921720 is 271292482.

It is an interprime number because it is at equal distance from previous prime (2842921717) and next prime (2842921723).

It is a self number, because there is not a number n which added to its sum of digits gives 2842921720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2842921723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35536482 + ... + 35536561.

Almost surely, 2^2842921720 is an apocalyptic number.

2842921720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2842921720 is an abundant number, since it is smaller than the sum of its proper divisors (3553652240).

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

2842921720 is a wasteful number, since it uses less digits than its factorization.

2842921720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71073054 (or 71073050 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2842921720 is about 53319.0558806136. The cubic root of 2842921720 is about 1416.6252133353.

The spelling of 2842921720 in words is "two billion, eight hundred forty-two million, nine hundred twenty-one thousand, seven hundred twenty".