492195049 has 4 divisors (see below), whose sum is σ = 493605700. Its totient is φ = 490784400.

The previous prime is 492195017. The next prime is 492195061. The reversal of 492195049 is 940591294.

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

It can be written as a sum of positive squares in 2 ways, for example, as 307371024 + 184824025 = 17532^2 + 13595^2 .

It is a cyclic number.

It is not a de Polignac number, because 492195049 - 2⁵ = 492195017 is a prime.

It is a super-2 number, since 2×492195049² = 484511932520224802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492194996 and 492195014.

It is not an unprimeable number, because it can be changed into a prime (492195449) 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, 704802 + ... + 705499.

It is an arithmetic number, because the mean of its divisors is an integer number (123401425).

Almost surely, 2^492195049 is an apocalyptic number.

It is an amenable number.

492195049 is a deficient number, since it is larger than the sum of its proper divisors (1410651).

492195049 is a wasteful number, since it uses less digits than its factorization.

492195049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410650.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 492195049 is about 22185.4693211570. The cubic root of 492195049 is about 789.5489862747.

The spelling of 492195049 in words is "four hundred ninety-two million, one hundred ninety-five thousand, forty-nine".