6500252436442 has 4 divisors (see below), whose sum is σ = 9750378654666. Its totient is φ = 3250126218220.

The previous prime is 6500252436439. The next prime is 6500252436479. The reversal of 6500252436442 is 2446342520056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4730977356561 + 1769275079881 = 2175081^2 + 1330141^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625063109109 + ... + 1625063109112.

Almost surely, 2^{6500252436442} is an apocalyptic number.

6500252436442 is a deficient number, since it is larger than the sum of its proper divisors (3250126218224).

6500252436442 is a wasteful number, since it uses less digits than its factorization.

6500252436442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250126218223.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 6500252436442 its reverse (2446342520056), we get a palindrome (8946594956498).

The spelling of 6500252436442 in words is "six trillion, five hundred billion, two hundred fifty-two million, four hundred thirty-six thousand, four hundred forty-two".