2351497216 has 68 divisors (see below), whose sum is σ = 4798771452. Its totient is φ = 1151860736.

The previous prime is 2351497201. The next prime is 2351497229. The reversal of 2351497216 is 6127941532.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2123366400 + 228130816 = 46080^2 + 15104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473070 + ... + 3473746.

Almost surely, 2^2351497216 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 2351497216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399385726).

2351497216 is an abundant number, since it is smaller than the sum of its proper divisors (2447274236).

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

2351497216 is an frugal number, since it uses more digits than its factorization.

2351497216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 732 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 2351497216 is about 48492.2387192012. The cubic root of 2351497216 is about 1329.7851832375.

The spelling of 2351497216 in words is "two billion, three hundred fifty-one million, four hundred ninety-seven thousand, two hundred sixteen".