748151893 has 2 divisors, whose sum is σ = 748151894. Its totient is φ = 748151892.

The previous prime is 748151879. The next prime is 748151897. The reversal of 748151893 is 398151847.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725655844 + 22496049 = 26938^2 + 4743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748151893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748151897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374075946 + 374075947.

It is an arithmetic number, because the mean of its divisors is an integer number (374075947).

Almost surely, 2^748151893 is an apocalyptic number.

It is an amenable number.

748151893 is a deficient number, since it is larger than the sum of its proper divisors (1).

748151893 is an equidigital number, since it uses as much as digits as its factorization.

748151893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 46.

The square root of 748151893 is about 27352.3654004549. The cubic root of 748151893 is about 907.8134085364.

Subtracting from 748151893 its sum of digits (46), we obtain a palindrome (748151847).

The spelling of 748151893 in words is "seven hundred forty-eight million, one hundred fifty-one thousand, eight hundred ninety-three".