1851872242798 has 16 divisors (see below), whose sum is σ = 2861281135440. Its totient is φ = 898361409600.

The previous prime is 1851872242771. The next prime is 1851872242819. The reversal of 1851872242798 is 8972422781581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62371368 + ... + 62401051.

It is an arithmetic number, because the mean of its divisors is an integer number (178830070965).

Almost surely, 2^{1851872242798} is an apocalyptic number.

1851872242798 is a deficient number, since it is larger than the sum of its proper divisors (1009408892642).

1851872242798 is a wasteful number, since it uses less digits than its factorization.

1851872242798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124772643.

The product of its digits is 36126720, while the sum is 64.

The spelling of 1851872242798 in words is "one trillion, eight hundred fifty-one billion, eight hundred seventy-two million, two hundred forty-two thousand, seven hundred ninety-eight".