2542196446 has 4 divisors (see below), whose sum is σ = 3813294672. Its totient is φ = 1271098222.

The previous prime is 2542196441. The next prime is 2542196549. The reversal of 2542196446 is 6446912452.

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

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 as a sum of consecutive naturals, namely, 635549110 + ... + 635549113.

It is an arithmetic number, because the mean of its divisors is an integer number (953323668).

Almost surely, 2^2542196446 is an apocalyptic number.

2542196446 is a deficient number, since it is larger than the sum of its proper divisors (1271098226).

2542196446 is a wasteful number, since it uses less digits than its factorization.

2542196446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271098225.

The product of its digits is 414720, while the sum is 43.

The square root of 2542196446 is about 50420.1987897708. The cubic root of 2542196446 is about 1364.8021639421.

The spelling of 2542196446 in words is "two billion, five hundred forty-two million, one hundred ninety-six thousand, four hundred forty-six".