490195993725 has 48 divisors (see below), whose sum is σ = 900657651840. Its totient is φ = 261394473600.

The previous prime is 490195993709. The next prime is 490195993747. The reversal of 490195993725 is 527399591094.

490195993725 is a `hidden beast` number, since 4 + 9 + 0 + 1 + 9 + 599 + 37 + 2 + 5 = 666.

It is not a de Polignac number, because 490195993725 - 2⁴ = 490195993709 is a prime.

It is a super-2 number, since 2×490195993725² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4236592 + ... + 4350758.

It is an arithmetic number, because the mean of its divisors is an integer number (18763701080).

Almost surely, 2^490195993725 is an apocalyptic number.

490195993725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

490195993725 is a deficient number, since it is larger than the sum of its proper divisors (410461658115).

490195993725 is a wasteful number, since it uses less digits than its factorization.

490195993725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120547 (or 120536 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 490195993725 in words is "four hundred ninety billion, one hundred ninety-five million, nine hundred ninety-three thousand, seven hundred twenty-five".