1858268413945 has 16 divisors (see below), whose sum is σ = 2241467407872. Its totient is φ = 1478927059200.

The previous prime is 1858268413931. The next prime is 1858268413979. The reversal of 1858268413945 is 5493148628581.

It is not a de Polignac number, because 1858268413945 - 2²¹ = 1858266316793 is a prime.

It is a super-2 number, since 2×1858268413945² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043569 + ... + 2192161.

It is an arithmetic number, because the mean of its divisors is an integer number (140091712992).

Almost surely, 2^{1858268413945} is an apocalyptic number.

It is an amenable number.

1858268413945 is a deficient number, since it is larger than the sum of its proper divisors (383198993927).

1858268413945 is a wasteful number, since it uses less digits than its factorization.

1858268413945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150272.

The product of its digits is 66355200, while the sum is 64.

The spelling of 1858268413945 in words is "one trillion, eight hundred fifty-eight billion, two hundred sixty-eight million, four hundred thirteen thousand, nine hundred forty-five".