492101090 has 16 divisors (see below), whose sum is σ = 953919288. Its totient is φ = 181698816.

The previous prime is 492101089. The next prime is 492101111. The reversal of 492101090 is 90101294.

It can be written as a sum of positive squares in 4 ways, for example, as 184063489 + 308037601 = 13567^2 + 17551^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892567 + ... + 1892826.

Almost surely, 2^492101090 is an apocalyptic number.

492101090 is a deficient number, since it is larger than the sum of its proper divisors (461818198).

492101090 is a wasteful number, since it uses less digits than its factorization.

492101090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785413.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 492101090 is about 22183.3516403631. The cubic root of 492101090 is about 789.4987419969.

The spelling of 492101090 in words is "four hundred ninety-two million, one hundred one thousand, ninety".