33490223547 has 24 divisors (see below), whose sum is σ = 49158766272. Its totient is φ = 20265397680.

The previous prime is 33490223537. The next prime is 33490223551. The reversal of 33490223547 is 74532209433.

It is not a de Polignac number, because 33490223547 - 2¹⁵ = 33490190779 is a prime.

It is a super-2 number, since 2×33490223547² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33490223499 and 33490223508.

It is not an unprimeable number, because it can be changed into a prime (33490223537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161668 + ... + 305150.

It is an arithmetic number, because the mean of its divisors is an integer number (2048281928).

Almost surely, 2^33490223547 is an apocalyptic number.

33490223547 is a deficient number, since it is larger than the sum of its proper divisors (15668542725).

33490223547 is a wasteful number, since it uses less digits than its factorization.

33490223547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144151 (or 144140 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 33490223547 in words is "thirty-three billion, four hundred ninety million, two hundred twenty-three thousand, five hundred forty-seven".