90449419403 has 8 divisors (see below), whose sum is σ = 104616196608. Its totient is φ = 76594000104.

The previous prime is 90449419399. The next prime is 90449419427. The reversal of 90449419403 is 30491494409.

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

It is a cyclic number.

It is not a de Polignac number, because 90449419403 - 2² = 90449419399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90449419433) 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, 77838851 + ... + 77840012.

It is an arithmetic number, because the mean of its divisors is an integer number (13077024576).

Almost surely, 2^90449419403 is an apocalyptic number.

90449419403 is a deficient number, since it is larger than the sum of its proper divisors (14166777205).

90449419403 is a wasteful number, since it uses less digits than its factorization.

90449419403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155678953.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 90449419403 in words is "ninety billion, four hundred forty-nine million, four hundred nineteen thousand, four hundred three".