921748058041 has 4 divisors (see below), whose sum is σ = 921760242832. Its totient is φ = 921735873252.

The previous prime is 921748058009. The next prime is 921748058069. The reversal of 921748058041 is 140850847129.

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 921748058041 - 2⁵ = 921748058009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (921748058081) 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, 5978211 + ... + 6130456.

It is an arithmetic number, because the mean of its divisors is an integer number (230440060708).

Almost surely, 2^921748058041 is an apocalyptic number.

It is an amenable number.

921748058041 is a deficient number, since it is larger than the sum of its proper divisors (12184791).

921748058041 is a wasteful number, since it uses less digits than its factorization.

921748058041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12184790.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 921748058041 in words is "nine hundred twenty-one billion, seven hundred forty-eight million, fifty-eight thousand, forty-one".