3772187989 has 2 divisors, whose sum is σ = 3772187990. Its totient is φ = 3772187988.

The previous prime is 3772187983. The next prime is 3772188019. The reversal of 3772187989 is 9897812773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2478347089 + 1293840900 = 49783^2 + 35970^2 .

It is a cyclic number.

It is not a de Polignac number, because 3772187989 - 2¹¹ = 3772185941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3772187983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1886093994 + 1886093995.

It is an arithmetic number, because the mean of its divisors is an integer number (1886093995).

Almost surely, 2^3772187989 is an apocalyptic number.

It is an amenable number.

3772187989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3772187989 is an equidigital number, since it uses as much as digits as its factorization.

3772187989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 61.

The square root of 3772187989 is about 61418.1405530972. The cubic root of 3772187989 is about 1556.6743734872.

The spelling of 3772187989 in words is "three billion, seven hundred seventy-two million, one hundred eighty-seven thousand, nine hundred eighty-nine".