1360249421 has 2 divisors, whose sum is σ = 1360249422. Its totient is φ = 1360249420.

The previous prime is 1360249367. The next prime is 1360249433. The reversal of 1360249421 is 1249420631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1227100900 + 133148521 = 35030^2 + 11539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1360249421 - 2²² = 1356055117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1360249481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680124710 + 680124711.

It is an arithmetic number, because the mean of its divisors is an integer number (680124711).

Almost surely, 2^1360249421 is an apocalyptic number.

It is an amenable number.

1360249421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1360249421 is an equidigital number, since it uses as much as digits as its factorization.

1360249421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1360249421 is about 36881.5593623697. The cubic root of 1360249421 is about 1107.9993779511. Note that the first 3 decimals are identical.

The spelling of 1360249421 in words is "one billion, three hundred sixty million, two hundred forty-nine thousand, four hundred twenty-one".