1949740927 has 2 divisors, whose sum is σ = 1949740928. Its totient is φ = 1949740926.

The previous prime is 1949740921. The next prime is 1949740951. The reversal of 1949740927 is 7290479491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1949740927 - 2²³ = 1941352319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1949740921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974870463 + 974870464.

It is an arithmetic number, because the mean of its divisors is an integer number (974870464).

Almost surely, 2^1949740927 is an apocalyptic number.

1949740927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1949740927 is an equidigital number, since it uses as much as digits as its factorization.

1949740927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 1949740927 is about 44155.8708101199. The cubic root of 1949740927 is about 1249.2776470721.

The spelling of 1949740927 in words is "one billion, nine hundred forty-nine million, seven hundred forty thousand, nine hundred twenty-seven".