2019607254442 has 4 divisors (see below), whose sum is σ = 3029410881666. Its totient is φ = 1009803627220.

The previous prime is 2019607254437. The next prime is 2019607254611. The reversal of 2019607254442 is 2444527069102.

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., 1297295942121 + 722311312321 = 1138989^2 + 849889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2019607254392 and 2019607254401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504901813609 + ... + 504901813612.

Almost surely, 2^{2019607254442} is an apocalyptic number.

2019607254442 is a deficient number, since it is larger than the sum of its proper divisors (1009803627224).

2019607254442 is a wasteful number, since it uses less digits than its factorization.

2019607254442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009803627223.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 2019607254442 in words is "two trillion, nineteen billion, six hundred seven million, two hundred fifty-four thousand, four hundred forty-two".