6425890324919 has 4 divisors (see below), whose sum is σ = 6920189580696. Its totient is φ = 5931591069144.

The previous prime is 6425890324897. The next prime is 6425890324927. The reversal of 6425890324919 is 9194230985246.

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

It is a de Polignac number, because none of the positive numbers 2^k-6425890324919 is a prime.

It is a super-2 number, since 2×6425890324919² (a number of 26 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 (6425890324979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247149627869 + ... + 247149627894.

It is an arithmetic number, because the mean of its divisors is an integer number (1730047395174).

Almost surely, 2^{6425890324919} is an apocalyptic number.

6425890324919 is a deficient number, since it is larger than the sum of its proper divisors (494299255777).

6425890324919 is a wasteful number, since it uses less digits than its factorization.

6425890324919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494299255776.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 6425890324919 in words is "six trillion, four hundred twenty-five billion, eight hundred ninety million, three hundred twenty-four thousand, nine hundred nineteen".