2916421770 has 48 divisors (see below), whose sum is σ = 7193799648. Its totient is φ = 756682560.

The previous prime is 2916421747. The next prime is 2916421787. The reversal of 2916421770 is 771246192.

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, 5565 + ... + 76575.

It is an arithmetic number, because the mean of its divisors is an integer number (149870826).

Almost surely, 2^2916421770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2916421770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3596899824).

2916421770 is an abundant number, since it is smaller than the sum of its proper divisors (4277377878).

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

2916421770 is a wasteful number, since it uses less digits than its factorization.

2916421770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71095 (or 71058 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 2916421770 is about 54003.9051365732. The cubic root of 2916421770 is about 1428.7298239179.

The spelling of 2916421770 in words is "two billion, nine hundred sixteen million, four hundred twenty-one thousand, seven hundred seventy".