498470700949 has 4 divisors (see below), whose sum is σ = 536814601036. Its totient is φ = 460126800864.

The previous prime is 498470700919. The next prime is 498470700971. The reversal of 498470700949 is 949007074894.

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 52386969924 + 446083731025 = 228882^2 + 667895^2 .

It is a cyclic number.

It is not a de Polignac number, because 498470700949 - 2⁷ = 498470700821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498470700919) 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, 19171950024 + ... + 19171950049.

It is an arithmetic number, because the mean of its divisors is an integer number (134203650259).

Almost surely, 2^498470700949 is an apocalyptic number.

It is an amenable number.

498470700949 is a deficient number, since it is larger than the sum of its proper divisors (38343900087).

498470700949 is a wasteful number, since it uses less digits than its factorization.

498470700949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38343900086.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 498470700949 in words is "four hundred ninety-eight billion, four hundred seventy million, seven hundred thousand, nine hundred forty-nine".