2750404387 has 2 divisors, whose sum is σ = 2750404388. Its totient is φ = 2750404386.

The previous prime is 2750404379. The next prime is 2750404403. The reversal of 2750404387 is 7834040572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2750404387 - 2³ = 2750404379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2750405387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375202193 + 1375202194.

It is an arithmetic number, because the mean of its divisors is an integer number (1375202194).

Almost surely, 2^2750404387 is an apocalyptic number.

2750404387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750404387 is an equidigital number, since it uses as much as digits as its factorization.

2750404387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 2750404387 is about 52444.2979455346. The cubic root of 2750404387 is about 1401.0883351909.

The spelling of 2750404387 in words is "two billion, seven hundred fifty million, four hundred four thousand, three hundred eighty-seven".