1860438712441 has 3 divisors (see below), whose sum is σ = 1860440076421. Its totient is φ = 1860437348462.

The previous prime is 1860438712417. The next prime is 1860438712463. The reversal of 1860438712441 is 1442178340681.

The square root of 1860438712441 is 1363979.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1860438712441 - 2⁵ = 1860438712409 is a prime.

It is a super-2 number, since 2×1860438712441² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1860438712241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 681990 + ... + 2045968.

Almost surely, 2^{1860438712441} is an apocalyptic number.

1860438712441 is the 1363979-th square number.

1860438712441 is the 681990-th centered octagonal number.

It is an amenable number.

1860438712441 is a deficient number, since it is larger than the sum of its proper divisors (1363980).

1860438712441 is an frugal number, since it uses more digits than its factorization.

1860438712441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727958 (or 1363979 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

Multiplying 1860438712441 by its sum of digits (49), we get a square (91161496909609 = 9547853²).

The spelling of 1860438712441 in words is "one trillion, eight hundred sixty billion, four hundred thirty-eight million, seven hundred twelve thousand, four hundred forty-one".