1470421639 has 2 divisors, whose sum is σ = 1470421640. Its totient is φ = 1470421638.

The previous prime is 1470421619. The next prime is 1470421661. The reversal of 1470421639 is 9361240741.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1470421639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1470421598 and 1470421607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1470421619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735210819 + 735210820.

It is an arithmetic number, because the mean of its divisors is an integer number (735210820).

Almost surely, 2^1470421639 is an apocalyptic number.

1470421639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1470421639 is an equidigital number, since it uses as much as digits as its factorization.

1470421639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1470421639 is about 38346.0772309242. The cubic root of 1470421639 is about 1137.1400660336.

The spelling of 1470421639 in words is "one billion, four hundred seventy million, four hundred twenty-one thousand, six hundred thirty-nine".