490074731725 has 6 divisors (see below), whose sum is σ = 607692667370. Its totient is φ = 392059785360.

The previous prime is 490074731723. The next prime is 490074731753. The reversal of 490074731725 is 527137470094.

It can be written as a sum of positive squares in 3 ways, for example, as 21908144196 + 468166587529 = 148014^2 + 684227^2 .

It is not a de Polignac number, because 490074731725 - 2¹ = 490074731723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490074731723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9801494610 + ... + 9801494659.

Almost surely, 2^490074731725 is an apocalyptic number.

It is an amenable number.

490074731725 is a deficient number, since it is larger than the sum of its proper divisors (117617935645).

490074731725 is a wasteful number, since it uses less digits than its factorization.

490074731725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19602989279 (or 19602989274 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 490074731725 in words is "four hundred ninety billion, seventy-four million, seven hundred thirty-one thousand, seven hundred twenty-five".