90061603012819 has 8 divisors (see below), whose sum is σ = 90519101046000. Its totient is φ = 89604108338976.

The previous prime is 90061603012813. The next prime is 90061603012853. The reversal of 90061603012819 is 91821030616009.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90061603012819 is a prime.

It is a super-2 number, since 2×90061603012819² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90061603012813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66655692 + ... + 67993414.

It is an arithmetic number, because the mean of its divisors is an integer number (11314887630750).

Almost surely, 2^{90061603012819} is an apocalyptic number.

90061603012819 is a deficient number, since it is larger than the sum of its proper divisors (457498033181).

90061603012819 is a wasteful number, since it uses less digits than its factorization.

90061603012819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679669.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 90061603012819 in words is "ninety trillion, sixty-one billion, six hundred three million, twelve thousand, eight hundred nineteen".