1942400513 has 2 divisors, whose sum is σ = 1942400514. Its totient is φ = 1942400512.

The previous prime is 1942400489. The next prime is 1942400527. The reversal of 1942400513 is 3150042491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1496683969 + 445716544 = 38687^2 + 21112^2 .

It is a cyclic number.

It is not a de Polignac number, because 1942400513 - 2³⁰ = 868658689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1942400813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971200256 + 971200257.

It is an arithmetic number, because the mean of its divisors is an integer number (971200257).

Almost surely, 2^1942400513 is an apocalyptic number.

It is an amenable number.

1942400513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942400513 is an equidigital number, since it uses as much as digits as its factorization.

1942400513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1942400513 is about 44072.6730866191. The cubic root of 1942400513 is about 1247.7079090643.

The spelling of 1942400513 in words is "one billion, nine hundred forty-two million, four hundred thousand, five hundred thirteen".