2909074920 has 32 divisors (see below), whose sum is σ = 8727225120. Its totient is φ = 775753280.

The previous prime is 2909074919. The next prime is 2909074921. The reversal of 2909074920 is 294709092.

It is an interprime number because it is at equal distance from previous prime (2909074919) and next prime (2909074921).

It is not an unprimeable number, because it can be changed into a prime (2909074921) 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, 12121026 + ... + 12121265.

It is an arithmetic number, because the mean of its divisors is an integer number (272725785).

Almost surely, 2^2909074920 is an apocalyptic number.

2909074920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2909074920 is an abundant number, since it is smaller than the sum of its proper divisors (5818150200).

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

2909074920 is a wasteful number, since it uses less digits than its factorization.

2909074920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24242305 (or 24242301 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 2909074920 is about 53935.8407740159. The cubic root of 2909074920 is about 1427.5290956454.

The spelling of 2909074920 in words is "two billion, nine hundred nine million, seventy-four thousand, nine hundred twenty".