748966156021 has 8 divisors (see below), whose sum is σ = 750241857888. Its totient is φ = 747691542000.

The previous prime is 748966156009. The next prime is 748966156093. The reversal of 748966156021 is 120651669847.

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 748966156021 - 2¹¹ = 748966153973 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 (748966156621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112166 + ... + 1653736.

It is an arithmetic number, because the mean of its divisors is an integer number (93780232236).

Almost surely, 2^748966156021 is an apocalyptic number.

It is an amenable number.

748966156021 is a deficient number, since it is larger than the sum of its proper divisors (1275701867).

748966156021 is a wasteful number, since it uses less digits than its factorization.

748966156021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543923.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 748966156021 in words is "seven hundred forty-eight billion, nine hundred sixty-six million, one hundred fifty-six thousand, twenty-one".