2491350216 has 96 divisors (see below), whose sum is σ = 6501369600. Its totient is φ = 795484800.

The previous prime is 2491350209. The next prime is 2491350223. The reversal of 2491350216 is 6120531942.

It is an interprime number because it is at equal distance from previous prime (2491350209) and next prime (2491350223).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2513481 + ... + 2514471.

It is an arithmetic number, because the mean of its divisors is an integer number (67722600).

Almost surely, 2^2491350216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2491350216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250684800).

2491350216 is an abundant number, since it is smaller than the sum of its proper divisors (4010019384).

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

2491350216 is a wasteful number, since it uses less digits than its factorization.

2491350216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2491350216 is about 49913.4272115230. The cubic root of 2491350216 is about 1355.6417245093.

The spelling of 2491350216 in words is "two billion, four hundred ninety-one million, three hundred fifty thousand, two hundred sixteen".