1880349769 has 9 divisors (see below), whose sum is σ = 1903303719. Its totient is φ = 1857670920.

The previous prime is 1880349761. The next prime is 1880349781. The reversal of 1880349769 is 9679430881.

The square root of 1880349769 is 43363.

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

It can be written as a sum of positive squares in only one way, i.e., 8922169 + 1871427600 = 2987^2 + 43260^2 .

It is not a de Polignac number, because 1880349769 - 2³ = 1880349761 is a prime.

It is a super-2 number, since 2×1880349769² = 7071430507556706722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1880349761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4466179 + ... + 4466599.

It is an arithmetic number, because the mean of its divisors is an integer number (211478191).

Almost surely, 2^1880349769 is an apocalyptic number.

1880349769 is the 43363-rd square number.

1880349769 is the 21682-nd centered octagonal number.

It is an amenable number.

1880349769 is a deficient number, since it is larger than the sum of its proper divisors (22953950).

1880349769 is an frugal number, since it uses more digits than its factorization.

1880349769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The cubic root of 1880349769 is about 1234.2776937568.

It can be divided in two parts, 1880 and 349769, that added together give a square (351649 = 593²).

The spelling of 1880349769 in words is "one billion, eight hundred eighty million, three hundred forty-nine thousand, seven hundred sixty-nine".