2542567048618 has 4 divisors (see below), whose sum is σ = 3813850572930. Its totient is φ = 1271283524308.

The previous prime is 2542567048607. The next prime is 2542567048627. The reversal of 2542567048618 is 8168407652452.

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., 2508793062889 + 33773985729 = 1583917^2 + 183777^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635641762153 + ... + 635641762156.

Almost surely, 2^{2542567048618} is an apocalyptic number.

2542567048618 is a deficient number, since it is larger than the sum of its proper divisors (1271283524312).

2542567048618 is a wasteful number, since it uses less digits than its factorization.

2542567048618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271283524311.

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 2542567048618 in words is "two trillion, five hundred forty-two billion, five hundred sixty-seven million, forty-eight thousand, six hundred eighteen".