490802519197 has 4 divisors (see below), whose sum is σ = 490831814880. Its totient is φ = 490773223516.

The previous prime is 490802519161. The next prime is 490802519201. The reversal of 490802519197 is 791915208094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 490802519197 - 2¹⁵ = 490802486429 is a prime.

It is a super-2 number, since 2×490802519197² (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 (490802559197) 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, 14622697 + ... + 14656222.

It is an arithmetic number, because the mean of its divisors is an integer number (122707953720).

Almost surely, 2^490802519197 is an apocalyptic number.

It is an amenable number.

490802519197 is a deficient number, since it is larger than the sum of its proper divisors (29295683).

490802519197 is a wasteful number, since it uses less digits than its factorization.

490802519197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29295682.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 490802519197 in words is "four hundred ninety billion, eight hundred two million, five hundred nineteen thousand, one hundred ninety-seven".