2174938387 has 2 divisors, whose sum is σ = 2174938388. Its totient is φ = 2174938386.

The previous prime is 2174938291. The next prime is 2174938399. The reversal of 2174938387 is 7838394712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2174938387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2174932387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087469193 + 1087469194.

It is an arithmetic number, because the mean of its divisors is an integer number (1087469194).

Almost surely, 2^2174938387 is an apocalyptic number.

2174938387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2174938387 is an equidigital number, since it uses as much as digits as its factorization.

2174938387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 2174938387 is about 46636.2347000699. The cubic root of 2174938387 is about 1295.6339500787.

The spelling of 2174938387 in words is "two billion, one hundred seventy-four million, nine hundred thirty-eight thousand, three hundred eighty-seven".