62394470389 has 4 divisors (see below), whose sum is σ = 62450733420. Its totient is φ = 62338207360.

The previous prime is 62394470353. The next prime is 62394470393. The reversal of 62394470389 is 98307449326.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6891822289 + 55502648100 = 83017^2 + 235590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62394470389 is a prime.

It is a super-2 number, since 2×62394470389² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62394470399) 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 in 3 ways as a sum of consecutive naturals, for example, 28129852 + ... + 28132069.

It is an arithmetic number, because the mean of its divisors is an integer number (15612683355).

Almost surely, 2^62394470389 is an apocalyptic number.

It is an amenable number.

62394470389 is a deficient number, since it is larger than the sum of its proper divisors (56263031).

62394470389 is a wasteful number, since it uses less digits than its factorization.

62394470389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56263030.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 62394470389 in words is "sixty-two billion, three hundred ninety-four million, four hundred seventy thousand, three hundred eighty-nine".