490507213426 has 4 divisors (see below), whose sum is σ = 735760820142. Its totient is φ = 245253606712.

The previous prime is 490507213393. The next prime is 490507213433. The reversal of 490507213426 is 624312705094.

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., 490427093025 + 80120401 = 700305^2 + 8951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122626803355 + ... + 122626803358.

Almost surely, 2^490507213426 is an apocalyptic number.

490507213426 is a deficient number, since it is larger than the sum of its proper divisors (245253606716).

490507213426 is a wasteful number, since it uses less digits than its factorization.

490507213426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245253606715.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 490507213426 in words is "four hundred ninety billion, five hundred seven million, two hundred thirteen thousand, four hundred twenty-six".