494906651 has 4 divisors (see below), whose sum is σ = 506416152. Its totient is φ = 483397152.

The previous prime is 494906641. The next prime is 494906653. The reversal of 494906651 is 156609494.

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

It is a cyclic number.

It is not a de Polignac number, because 494906651 - 2²² = 490712347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494906653) 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, 5754686 + ... + 5754771.

It is an arithmetic number, because the mean of its divisors is an integer number (126604038).

Almost surely, 2^494906651 is an apocalyptic number.

494906651 is a deficient number, since it is larger than the sum of its proper divisors (11509501).

494906651 is a wasteful number, since it uses less digits than its factorization.

494906651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11509500.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 494906651 is about 22246.4974996065. The cubic root of 494906651 is about 790.9962600573.

The spelling of 494906651 in words is "four hundred ninety-four million, nine hundred six thousand, six hundred fifty-one".