748405596381 has 4 divisors (see below), whose sum is σ = 997874128512. Its totient is φ = 498937064252.

The previous prime is 748405596371. The next prime is 748405596431. The reversal of 748405596381 is 183695504847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 748405596381 - 2⁵ = 748405596349 is a prime.

It is a super-2 number, since 2×748405596381² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748405596311) 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, 124734266061 + ... + 124734266066.

It is an arithmetic number, because the mean of its divisors is an integer number (249468532128).

Almost surely, 2^748405596381 is an apocalyptic number.

It is an amenable number.

748405596381 is a deficient number, since it is larger than the sum of its proper divisors (249468532131).

748405596381 is a wasteful number, since it uses less digits than its factorization.

748405596381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249468532130.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 748405596381 in words is "seven hundred forty-eight billion, four hundred five million, five hundred ninety-six thousand, three hundred eighty-one".