1848949874145 has 24 divisors (see below), whose sum is σ = 3496196126592. Its totient is φ = 896460544800.

The previous prime is 1848949874089. The next prime is 1848949874153. The reversal of 1848949874145 is 5414789498481.

1848949874145 is a `hidden beast` number, since 1 + 8 + 48 + 94 + 9 + 87 + 414 + 5 = 666.

It is not a de Polignac number, because 1848949874145 - 2¹⁴ = 1848949857761 is a prime.

It is a super-2 number, since 2×1848949874145² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1867625641 + ... + 1867626630.

It is an arithmetic number, because the mean of its divisors is an integer number (145674838608).

Almost surely, 2^{1848949874145} is an apocalyptic number.

1848949874145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1848949874145 is a deficient number, since it is larger than the sum of its proper divisors (1647246252447).

1848949874145 is a wasteful number, since it uses less digits than its factorization.

1848949874145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735252293 (or 3735252290 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 72.

The spelling of 1848949874145 in words is "one trillion, eight hundred forty-eight billion, nine hundred forty-nine million, eight hundred seventy-four thousand, one hundred forty-five".