1065470639 has 2 divisors, whose sum is σ = 1065470640. Its totient is φ = 1065470638.

The previous prime is 1065470629. The next prime is 1065470663. The reversal of 1065470639 is 9360745601.

It is a weak prime.

It is an emirp because it is prime and its reverse (9360745601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065470639 is a prime.

It is a super-2 number, since 2×1065470639² = 2270455365142136642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065470596 and 1065470605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065470629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532735319 + 532735320.

It is an arithmetic number, because the mean of its divisors is an integer number (532735320).

Almost surely, 2^1065470639 is an apocalyptic number.

1065470639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065470639 is an equidigital number, since it uses as much as digits as its factorization.

1065470639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1065470639 is about 32641.5477421032. The cubic root of 1065470639 is about 1021.3638806681.

It can be divided in two parts, 106 and 5470639, that added together give a palindrome (5470745).

The spelling of 1065470639 in words is "one billion, sixty-five million, four hundred seventy thousand, six hundred thirty-nine".