537919898 has 8 divisors (see below), whose sum is σ = 834703380. Its totient is φ = 259685440.

The previous prime is 537919871. The next prime is 537919901. The reversal of 537919898 is 898919735.

It can be written as a sum of positive squares in 2 ways, for example, as 500551129 + 37368769 = 22373^2 + 6113^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637183 + ... + 4637298.

Almost surely, 2^537919898 is an apocalyptic number.

537919898 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

537919898 is a deficient number, since it is larger than the sum of its proper divisors (296783482).

537919898 is a wasteful number, since it uses less digits than its factorization.

537919898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274512.

The product of its digits is 4898880, while the sum is 59.

The square root of 537919898 is about 23193.1002239890. The cubic root of 537919898 is about 813.2783348026.

The spelling of 537919898 in words is "five hundred thirty-seven million, nine hundred nineteen thousand, eight hundred ninety-eight".