3797381989 has 2 divisors, whose sum is σ = 3797381990. Its totient is φ = 3797381988.

The previous prime is 3797381947. The next prime is 3797382023. The reversal of 3797381989 is 9891837973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3743359489 + 54022500 = 61183^2 + 7350^2 .

It is an emirp because it is prime and its reverse (9891837973) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3797381989 - 2²³ = 3788993381 is a prime.

It is a super-2 number, since 2×3797381989² = 28840219940763192242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3797381989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3797381909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1898690994 + 1898690995.

It is an arithmetic number, because the mean of its divisors is an integer number (1898690995).

Almost surely, 2^3797381989 is an apocalyptic number.

It is an amenable number.

3797381989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3797381989 is an equidigital number, since it uses as much as digits as its factorization.

3797381989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 64.

The square root of 3797381989 is about 61622.9014977386. The cubic root of 3797381989 is about 1560.1323015396.

The spelling of 3797381989 in words is "three billion, seven hundred ninety-seven million, three hundred eighty-one thousand, nine hundred eighty-nine".