1949740951 has 2 divisors, whose sum is σ = 1949740952. Its totient is φ = 1949740950.

The previous prime is 1949740927. The next prime is 1949740973. The reversal of 1949740951 is 1590479491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1949740951 - 2⁹ = 1949740439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1949740895 and 1949740904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1949740901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974870475 + 974870476.

It is an arithmetic number, because the mean of its divisors is an integer number (974870476).

Almost surely, 2^1949740951 is an apocalyptic number.

1949740951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1949740951 is an equidigital number, since it uses as much as digits as its factorization.

1949740951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 1949740951 is about 44155.8710818845. The cubic root of 1949740951 is about 1249.2776521980.

The spelling of 1949740951 in words is "one billion, nine hundred forty-nine million, seven hundred forty thousand, nine hundred fifty-one".