4261522516 has 6 divisors (see below), whose sum is σ = 7457664410. Its totient is φ = 2130761256.

The previous prime is 4261522513. The next prime is 4261522523. The reversal of 4261522516 is 6152251624.

It can be written as a sum of positive squares in only one way, i.e., 3788894916 + 472627600 = 61554^2 + 21740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261522513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532690311 + ... + 532690318.

Almost surely, 2^4261522516 is an apocalyptic number.

It is an amenable number.

4261522516 is a deficient number, since it is larger than the sum of its proper divisors (3196141894).

4261522516 is a wasteful number, since it uses less digits than its factorization.

4261522516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065380633 (or 1065380631 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 4261522516 is about 65280.3378974098. The cubic root of 4261522516 is about 1621.2684416109.

The spelling of 4261522516 in words is "four billion, two hundred sixty-one million, five hundred twenty-two thousand, five hundred sixteen".