748641899 has 4 divisors (see below), whose sum is σ = 748697880. Its totient is φ = 748585920.

The previous prime is 748641893. The next prime is 748641917. The reversal of 748641899 is 998146847.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 998146847 = 23 ⋅43397689.

It is a cyclic number.

It is not a de Polignac number, because 748641899 - 2⁸ = 748641643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748641893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147 + ... + 39035.

It is an arithmetic number, because the mean of its divisors is an integer number (187174470).

Almost surely, 2^748641899 is an apocalyptic number.

748641899 is a deficient number, since it is larger than the sum of its proper divisors (55981).

748641899 is a wasteful number, since it uses less digits than its factorization.

748641899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55980.

The product of its digits is 3483648, while the sum is 56.

The square root of 748641899 is about 27361.3212217539. The cubic root of 748641899 is about 908.0115576650.

The spelling of 748641899 in words is "seven hundred forty-eight million, six hundred forty-one thousand, eight hundred ninety-nine".