920319349 has 2 divisors, whose sum is σ = 920319350. Its totient is φ = 920319348.

The previous prime is 920319331. The next prime is 920319419. The reversal of 920319349 is 943913029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612562500 + 307756849 = 24750^2 + 17543^2 .

It is a cyclic number.

It is not a de Polignac number, because 920319349 - 2¹³ = 920311157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920319649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460159674 + 460159675.

It is an arithmetic number, because the mean of its divisors is an integer number (460159675).

Almost surely, 2^920319349 is an apocalyptic number.

It is an amenable number.

920319349 is a deficient number, since it is larger than the sum of its proper divisors (1).

920319349 is an equidigital number, since it uses as much as digits as its factorization.

920319349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 920319349 is about 30336.7656318204. The cubic root of 920319349 is about 972.7013477182.

The spelling of 920319349 in words is "nine hundred twenty million, three hundred nineteen thousand, three hundred forty-nine".