1858322934749 has 2 divisors, whose sum is σ = 1858322934750. Its totient is φ = 1858322934748.

The previous prime is 1858322934709. The next prime is 1858322934803. The reversal of 1858322934749 is 9474392238581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1764362293849 + 93960640900 = 1328293^2 + 306530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1858322934749 - 2¹⁶ = 1858322869213 is a prime.

It is a super-2 number, since 2×1858322934749² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1858322934709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 929161467374 + 929161467375.

It is an arithmetic number, because the mean of its divisors is an integer number (929161467375).

Almost surely, 2^{1858322934749} is an apocalyptic number.

It is an amenable number.

1858322934749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1858322934749 is an equidigital number, since it uses as much as digits as its factorization.

1858322934749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 65.

The spelling of 1858322934749 in words is "one trillion, eight hundred fifty-eight billion, three hundred twenty-two million, nine hundred thirty-four thousand, seven hundred forty-nine".