2149837511 has 2 divisors, whose sum is σ = 2149837512. Its totient is φ = 2149837510.

The previous prime is 2149837489. The next prime is 2149837519. The reversal of 2149837511 is 1157389412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149837511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2149837519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074918755 + 1074918756.

It is an arithmetic number, because the mean of its divisors is an integer number (1074918756).

Almost surely, 2^2149837511 is an apocalyptic number.

2149837511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149837511 is an equidigital number, since it uses as much as digits as its factorization.

2149837511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 2149837511 is about 46366.3402804233. The cubic root of 2149837511 is about 1290.6303653555.

The spelling of 2149837511 in words is "two billion, one hundred forty-nine million, eight hundred thirty-seven thousand, five hundred eleven".