499070639 has 2 divisors, whose sum is σ = 499070640. Its totient is φ = 499070638.

The previous prime is 499070609. The next prime is 499070653. The reversal of 499070639 is 936070994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499070639 - 2¹² = 499066543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499070593 and 499070602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499070609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249535319 + 249535320.

It is an arithmetic number, because the mean of its divisors is an integer number (249535320).

Almost surely, 2^499070639 is an apocalyptic number.

499070639 is a deficient number, since it is larger than the sum of its proper divisors (1).

499070639 is an equidigital number, since it uses as much as digits as its factorization.

499070639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 499070639 is about 22339.8889657044. Note that the first 3 decimals coincide. The cubic root of 499070639 is about 793.2084647800.

The spelling of 499070639 in words is "four hundred ninety-nine million, seventy thousand, six hundred thirty-nine".