1873911046139 has 4 divisors (see below), whose sum is σ = 2044266595800. Its totient is φ = 1703555496480.

The previous prime is 1873911046127. The next prime is 1873911046151. The reversal of 1873911046139 is 9316401193781.

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

It is an interprime number because it is at equal distance from previous prime (1873911046127) and next prime (1873911046151).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1873911046139 is a prime.

It is a super-2 number, since 2×1873911046139² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1873911046159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85177774814 + ... + 85177774835.

It is an arithmetic number, because the mean of its divisors is an integer number (511066648950).

Almost surely, 2^{1873911046139} is an apocalyptic number.

1873911046139 is a deficient number, since it is larger than the sum of its proper divisors (170355549661).

1873911046139 is a wasteful number, since it uses less digits than its factorization.

1873911046139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170355549660.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 1873911046139 in words is "one trillion, eight hundred seventy-three billion, nine hundred eleven million, forty-six thousand, one hundred thirty-nine".