748279453891 has 2 divisors, whose sum is σ = 748279453892. Its totient is φ = 748279453890.

The previous prime is 748279453841. The next prime is 748279453897. The reversal of 748279453891 is 198354972847.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 748279453891 - 2³³ = 739689519299 is a prime.

It is a super-2 number, since 2×748279453891² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (748279453897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374139726945 + 374139726946.

It is an arithmetic number, because the mean of its divisors is an integer number (374139726946).

Almost surely, 2^748279453891 is an apocalyptic number.

748279453891 is a deficient number, since it is larger than the sum of its proper divisors (1).

748279453891 is an equidigital number, since it uses as much as digits as its factorization.

748279453891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 67.

The spelling of 748279453891 in words is "seven hundred forty-eight billion, two hundred seventy-nine million, four hundred fifty-three thousand, eight hundred ninety-one".