2999349720 has 48 divisors (see below), whose sum is σ = 9747887760. Its totient is φ = 799826496.

The previous prime is 2999349719. The next prime is 2999349721. The reversal of 2999349720 is 279439992.

2999349720 is a `hidden beast` number, since 299 + 9 + 349 + 7 + 2 + 0 = 666.

2999349720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2999349719) and next prime (2999349721).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2999349721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4165404 + ... + 4166123.

It is an arithmetic number, because the mean of its divisors is an integer number (203080995).

Almost surely, 2^2999349720 is an apocalyptic number.

2999349720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2999349720 is an abundant number, since it is smaller than the sum of its proper divisors (6748538040).

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

2999349720 is a wasteful number, since it uses less digits than its factorization.

2999349720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331544 (or 8331537 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 2999349720 is about 54766.3192117199. The cubic root of 2999349720 is about 1442.1453554382.

The spelling of 2999349720 in words is "two billion, nine hundred ninety-nine million, three hundred forty-nine thousand, seven hundred twenty".