749035538971 has 4 divisors (see below), whose sum is σ = 773197975744. Its totient is φ = 724873102200.

The previous prime is 749035538963. The next prime is 749035538989. The reversal of 749035538971 is 179835530947.

It is a happy number.

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 749035538971 - 2³ = 749035538963 is a prime.

It is a super-2 number, since 2×749035538971² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749035568971) 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, 12081218340 + ... + 12081218401.

It is an arithmetic number, because the mean of its divisors is an integer number (193299493936).

Almost surely, 2^749035538971 is an apocalyptic number.

749035538971 is a deficient number, since it is larger than the sum of its proper divisors (24162436773).

749035538971 is a wasteful number, since it uses less digits than its factorization.

749035538971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24162436772.

The product of its (nonzero) digits is 28576800, while the sum is 61.

The spelling of 749035538971 in words is "seven hundred forty-nine billion, thirty-five million, five hundred thirty-eight thousand, nine hundred seventy-one".