2539222964 has 6 divisors (see below), whose sum is σ = 4443640194. Its totient is φ = 1269611480.

The previous prime is 2539222957. The next prime is 2539222981. The reversal of 2539222964 is 4692229352.

It can be written as a sum of positive squares in only one way, i.e., 2467108900 + 72114064 = 49670^2 + 8492^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317402867 + ... + 317402874.

It is an arithmetic number, because the mean of its divisors is an integer number (740606699).

Almost surely, 2^2539222964 is an apocalyptic number.

It is an amenable number.

2539222964 is a deficient number, since it is larger than the sum of its proper divisors (1904417230).

2539222964 is a wasteful number, since it uses less digits than its factorization.

2539222964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634805745 (or 634805743 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 2539222964 is about 50390.7031504820. The cubic root of 2539222964 is about 1364.2698423828.

The spelling of 2539222964 in words is "two billion, five hundred thirty-nine million, two hundred twenty-two thousand, nine hundred sixty-four".