748397100681 has 12 divisors (see below), whose sum is σ = 1081029014208. Its totient is φ = 498926332824.

The previous prime is 748397100641. The next prime is 748397100683. The reversal of 748397100681 is 186001793847.

748397100681 is a `hidden beast` number, since 7 + 483 + 97 + 10 + 0 + 68 + 1 = 666.

It is not a de Polignac number, because 748397100681 - 2¹³ = 748397092489 is a prime.

It is a super-2 number, since 2×748397100681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (748397100683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658636 + ... + 1389458.

It is an arithmetic number, because the mean of its divisors is an integer number (90085751184).

Almost surely, 2^748397100681 is an apocalyptic number.

It is an amenable number.

748397100681 is a deficient number, since it is larger than the sum of its proper divisors (332631913527).

748397100681 is a wasteful number, since it uses less digits than its factorization.

748397100681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844612 (or 844609 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 748397100681 in words is "seven hundred forty-eight billion, three hundred ninety-seven million, one hundred thousand, six hundred eighty-one".