490928157837 has 12 divisors (see below), whose sum is σ = 763666023484. Its totient is φ = 302109635520.

The previous prime is 490928157773. The next prime is 490928157851. The reversal of 490928157837 is 738751829094.

490928157837 is a `hidden beast` number, since 4 + 9 + 0 + 9 + 28 + 1 + 578 + 37 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66591866916 + 424336290921 = 258054^2 + 651411^2 .

It is not a de Polignac number, because 490928157837 - 2⁶ = 490928157773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490928157637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2097983464 + ... + 2097983697.

Almost surely, 2^490928157837 is an apocalyptic number.

It is an amenable number.

490928157837 is a deficient number, since it is larger than the sum of its proper divisors (272737865647).

490928157837 is a wasteful number, since it uses less digits than its factorization.

490928157837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195967180 (or 4195967177 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 490928157837 in words is "four hundred ninety billion, nine hundred twenty-eight million, one hundred fifty-seven thousand, eight hundred thirty-seven".