90630399106 has 8 divisors (see below), whose sum is σ = 146402952444. Its totient is φ = 41829414960.

The previous prime is 90630399103. The next prime is 90630399109. The reversal of 90630399106 is 60199303609.

It is an interprime number because it is at equal distance from previous prime (90630399103) and next prime (90630399109).

It can be written as a sum of positive squares in 2 ways, for example, as 87621328081 + 3009071025 = 296009^2 + 54855^2 .

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

It is a super-2 number, since 2×90630399106² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90630399103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742892265 + ... + 1742892316.

Almost surely, 2^90630399106 is an apocalyptic number.

90630399106 is a deficient number, since it is larger than the sum of its proper divisors (55772553338).

90630399106 is a wasteful number, since it uses less digits than its factorization.

90630399106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485784596.

The product of its (nonzero) digits is 236196, while the sum is 46.

The spelling of 90630399106 in words is "ninety billion, six hundred thirty million, three hundred ninety-nine thousand, one hundred six".