1373650273 has 2 divisors, whose sum is σ = 1373650274. Its totient is φ = 1373650272.

The previous prime is 1373650199. The next prime is 1373650307. The reversal of 1373650273 is 3720563731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022912289 + 350737984 = 31983^2 + 18728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1373650273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370650273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686825136 + 686825137.

It is an arithmetic number, because the mean of its divisors is an integer number (686825137).

Almost surely, 2^1373650273 is an apocalyptic number.

It is an amenable number.

1373650273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373650273 is an equidigital number, since it uses as much as digits as its factorization.

1373650273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 37.

The square root of 1373650273 is about 37062.7882518302. The cubic root of 1373650273 is about 1111.6260757442.

It can be divided in two parts, 13736 and 50273, that added together give a square (64009 = 253²).

The spelling of 1373650273 in words is "one billion, three hundred seventy-three million, six hundred fifty thousand, two hundred seventy-three".