2542919366 has 16 divisors (see below), whose sum is σ = 4112782800. Its totient is φ = 1172229408.

The previous prime is 2542919363. The next prime is 2542919371. The reversal of 2542919366 is 6639192452.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542919366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542919363) 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, 37436 + ... + 80543.

It is an arithmetic number, because the mean of its divisors is an integer number (257048925).

Almost surely, 2^2542919366 is an apocalyptic number.

2542919366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2542919366 is a deficient number, since it is larger than the sum of its proper divisors (1569863434).

2542919366 is a wasteful number, since it uses less digits than its factorization.

2542919366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118823.

The product of its digits is 699840, while the sum is 47.

The square root of 2542919366 is about 50427.3672324860. The cubic root of 2542919366 is about 1364.9315204904.

The spelling of 2542919366 in words is "two billion, five hundred forty-two million, nine hundred nineteen thousand, three hundred sixty-six".