1849513691042 has 8 divisors (see below), whose sum is σ = 2774281714716. Its totient is φ = 924753119472.

The previous prime is 1849513691027. The next prime is 1849513691057. The reversal of 1849513691042 is 2401963159481.

It is an interprime number because it is at equal distance from previous prime (1849513691027) and next prime (1849513691057).

It can be written as a sum of positive squares in 2 ways, for example, as 1749220501561 + 100293189481 = 1322581^2 + 316691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194593 + ... + 2264084.

Almost surely, 2^{1849513691042} is an apocalyptic number.

1849513691042 is a deficient number, since it is larger than the sum of its proper divisors (924768023674).

1849513691042 is a wasteful number, since it uses less digits than its factorization.

1849513691042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726052.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 1849513691042 in words is "one trillion, eight hundred forty-nine billion, five hundred thirteen million, six hundred ninety-one thousand, forty-two".