498981653 has 8 divisors (see below), whose sum is σ = 503042400. Its totient is φ = 494935408.

The previous prime is 498981607. The next prime is 498981689. The reversal of 498981653 is 356189894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 498981653 - 2¹⁸ = 498719509 is a prime.

It is a super-2 number, since 2×498981653² = 497965380061224818, 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 = 498981595 and 498981604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498981253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71675 + ... + 78327.

It is an arithmetic number, because the mean of its divisors is an integer number (62880300).

Almost surely, 2^498981653 is an apocalyptic number.

It is an amenable number.

498981653 is a deficient number, since it is larger than the sum of its proper divisors (4060747).

498981653 is a wasteful number, since it uses less digits than its factorization.

498981653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251.

The product of its digits is 1866240, while the sum is 53.

The square root of 498981653 is about 22337.8972376542. The cubic root of 498981653 is about 793.1613180514.

The spelling of 498981653 in words is "four hundred ninety-eight million, nine hundred eighty-one thousand, six hundred fifty-three".