2542196445 has 16 divisors (see below), whose sum is σ = 4113218880. Its totient is φ = 1340603264.

The previous prime is 2542196441. The next prime is 2542196549. The reversal of 2542196445 is 5446912452.

It is a cyclic number.

It is not a de Polignac number, because 2542196445 - 2² = 2542196441 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2542196397 and 2542196406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542196441) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 950799 + ... + 953468.

It is an arithmetic number, because the mean of its divisors is an integer number (257076180).

Almost surely, 2^2542196445 is an apocalyptic number.

It is an amenable number.

2542196445 is a deficient number, since it is larger than the sum of its proper divisors (1571022435).

2542196445 is a wasteful number, since it uses less digits than its factorization.

2542196445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904364.

The product of its digits is 345600, while the sum is 42.

The square root of 2542196445 is about 50420.1987798541. The cubic root of 2542196445 is about 1364.8021637632.

The spelling of 2542196445 in words is "two billion, five hundred forty-two million, one hundred ninety-six thousand, four hundred forty-five".