1832148991 has 2 divisors, whose sum is σ = 1832148992. Its totient is φ = 1832148990.

The previous prime is 1832148947. The next prime is 1832149009. The reversal of 1832148991 is 1998412381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1832148991 - 2¹³ = 1832140799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1832148091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916074495 + 916074496.

It is an arithmetic number, because the mean of its divisors is an integer number (916074496).

Almost surely, 2^1832148991 is an apocalyptic number.

1832148991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1832148991 is an equidigital number, since it uses as much as digits as its factorization.

1832148991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 46.

The square root of 1832148991 is about 42803.6095557372. The cubic root of 1832148991 is about 1223.6398043661.

The spelling of 1832148991 in words is "one billion, eight hundred thirty-two million, one hundred forty-eight thousand, nine hundred ninety-one".