1307421433 has 2 divisors, whose sum is σ = 1307421434. Its totient is φ = 1307421432.

The previous prime is 1307421421. The next prime is 1307421449. The reversal of 1307421433 is 3341247031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1278563049 + 28858384 = 35757^2 + 5372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1307421433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1307421403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653710716 + 653710717.

It is an arithmetic number, because the mean of its divisors is an integer number (653710717).

Almost surely, 2^1307421433 is an apocalyptic number.

It is an amenable number.

1307421433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307421433 is an equidigital number, since it uses as much as digits as its factorization.

1307421433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1307421433 is about 36158.2830482865. The cubic root of 1307421433 is about 1093.4657893903.

Adding to 1307421433 its reverse (3341247031), we get a palindrome (4648668464).

It can be divided in two parts, 1307 and 421433, that added together give a triangular number (422740 = T₉₁₉).

The spelling of 1307421433 in words is "one billion, three hundred seven million, four hundred twenty-one thousand, four hundred thirty-three".