490942744319 has 4 divisors (see below), whose sum is σ = 491342210760. Its totient is φ = 490543277880.

The previous prime is 490942744273. The next prime is 490942744339. The reversal of 490942744319 is 913447249094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490942744319 is a prime.

It is a super-2 number, since 2×490942744319² (a number of 24 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 (490942744339) 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, 199731377 + ... + 199733834.

It is an arithmetic number, because the mean of its divisors is an integer number (122835552690).

Almost surely, 2^490942744319 is an apocalyptic number.

490942744319 is a deficient number, since it is larger than the sum of its proper divisors (399466441).

490942744319 is a wasteful number, since it uses less digits than its factorization.

490942744319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399466440.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 490942744319 in words is "four hundred ninety billion, nine hundred forty-two million, seven hundred forty-four thousand, three hundred nineteen".