1952993137 has 2 divisors, whose sum is σ = 1952993138. Its totient is φ = 1952993136.

The previous prime is 1952993113. The next prime is 1952993143. The reversal of 1952993137 is 7313992591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1395844321 + 557148816 = 37361^2 + 23604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1952993137 - 2¹⁹ = 1952468849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1952993837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976496568 + 976496569.

It is an arithmetic number, because the mean of its divisors is an integer number (976496569).

Almost surely, 2^1952993137 is an apocalyptic number.

It is an amenable number.

1952993137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952993137 is an equidigital number, since it uses as much as digits as its factorization.

1952993137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 459270, while the sum is 49.

The square root of 1952993137 is about 44192.6819394343. The cubic root of 1952993137 is about 1249.9718685936.

The spelling of 1952993137 in words is "one billion, nine hundred fifty-two million, nine hundred ninety-three thousand, one hundred thirty-seven".