90405603041 has 4 divisors (see below), whose sum is σ = 97359880212. Its totient is φ = 83451325872.

The previous prime is 90405603019. The next prime is 90405603059. The reversal of 90405603041 is 14030650409.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55250853025 + 35154750016 = 235055^2 + 187496^2 .

It is a cyclic number.

It is not a de Polignac number, because 90405603041 - 2⁶ = 90405602977 is a prime.

It is a super-2 number, since 2×90405603041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90405602989 and 90405603007.

It is not an unprimeable number, because it can be changed into a prime (90405623041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3477138566 + ... + 3477138591.

It is an arithmetic number, because the mean of its divisors is an integer number (24339970053).

Almost surely, 2^90405603041 is an apocalyptic number.

It is an amenable number.

90405603041 is a deficient number, since it is larger than the sum of its proper divisors (6954277171).

90405603041 is a wasteful number, since it uses less digits than its factorization.

90405603041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954277170.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 90405603041 in words is "ninety billion, four hundred five million, six hundred three thousand, forty-one".