534651041021 has 4 divisors (see below), whose sum is σ = 538191776544. Its totient is φ = 531110305500.

The previous prime is 534651041017. The next prime is 534651041033. The reversal of 534651041021 is 120140156435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 534651041021 - 2² = 534651041017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534651041621) 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, 1770367535 + ... + 1770367836.

It is an arithmetic number, because the mean of its divisors is an integer number (134547944136).

Almost surely, 2^534651041021 is an apocalyptic number.

It is an amenable number.

534651041021 is a deficient number, since it is larger than the sum of its proper divisors (3540735523).

534651041021 is a wasteful number, since it uses less digits than its factorization.

534651041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540735522.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 534651041021 its reverse (120140156435), we get a palindrome (654791197456).

The spelling of 534651041021 in words is "five hundred thirty-four billion, six hundred fifty-one million, forty-one thousand, twenty-one".