748890698191 has 4 divisors (see below), whose sum is σ = 774714515400. Its totient is φ = 723066880984.

The previous prime is 748890698141. The next prime is 748890698219. The reversal of 748890698191 is 191896098847.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 748890698191 - 2¹⁹ = 748890173903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748890698191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748890698141) 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, 12911908561 + ... + 12911908618.

It is an arithmetic number, because the mean of its divisors is an integer number (193678628850).

Almost surely, 2^748890698191 is an apocalyptic number.

748890698191 is a deficient number, since it is larger than the sum of its proper divisors (25823817209).

748890698191 is a wasteful number, since it uses less digits than its factorization.

748890698191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25823817208.

The product of its (nonzero) digits is 62705664, while the sum is 70.

The spelling of 748890698191 in words is "seven hundred forty-eight billion, eight hundred ninety million, six hundred ninety-eight thousand, one hundred ninety-one".