2506272100642 has 16 divisors (see below), whose sum is σ = 3980592958680. Its totient is φ = 1179409379328.

The previous prime is 2506272100601. The next prime is 2506272100649. The reversal of 2506272100642 is 2460012726052.

It is a Cunningham number, because it is equal to 1583121²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1951248590641 + 555023510001 = 1396871^2 + 744999^2 .

It is not an unprimeable number, because it can be changed into a prime (2506272100649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3271834 + ... + 3964522.

Almost surely, 2^{2506272100642} is an apocalyptic number.

2506272100642 is a deficient number, since it is larger than the sum of its proper divisors (1474320858038).

2506272100642 is a wasteful number, since it uses less digits than its factorization.

2506272100642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799125.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 2506272100642 its reverse (2460012726052), we get a palindrome (4966284826694).

The spelling of 2506272100642 in words is "two trillion, five hundred six billion, two hundred seventy-two million, one hundred thousand, six hundred forty-two".