498851642 has 4 divisors (see below), whose sum is σ = 748277466. Its totient is φ = 249425820.

The previous prime is 498851641. The next prime is 498851653. The reversal of 498851642 is 246158894.

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

It can be written as a sum of positive squares in only one way, i.e., 472236361 + 26615281 = 21731^2 + 5159^2 .

It is not an unprimeable number, because it can be changed into a prime (498851641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124712909 + ... + 124712912.

Almost surely, 2^498851642 is an apocalyptic number.

498851642 is a deficient number, since it is larger than the sum of its proper divisors (249425824).

498851642 is a wasteful number, since it uses less digits than its factorization.

498851642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249425823.

The product of its digits is 552960, while the sum is 47.

The square root of 498851642 is about 22334.9869487314. The cubic root of 498851642 is about 793.0924253023.

The spelling of 498851642 in words is "four hundred ninety-eight million, eight hundred fifty-one thousand, six hundred forty-two".