1934315749 has 2 divisors, whose sum is σ = 1934315750. Its totient is φ = 1934315748.

The previous prime is 1934315717. The next prime is 1934315783. The reversal of 1934315749 is 9475134391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1927649025 + 6666724 = 43905^2 + 2582^2 .

It is an emirp because it is prime and its reverse (9475134391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1934315749 - 2⁵ = 1934315717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1934315699 and 1934315708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1934315549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967157874 + 967157875.

It is an arithmetic number, because the mean of its divisors is an integer number (967157875).

Almost surely, 2^1934315749 is an apocalyptic number.

It is an amenable number.

1934315749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934315749 is an equidigital number, since it uses as much as digits as its factorization.

1934315749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 1934315749 is about 43980.8566196703. The cubic root of 1934315749 is about 1245.9744094000.

The spelling of 1934315749 in words is "one billion, nine hundred thirty-four million, three hundred fifteen thousand, seven hundred forty-nine".