744641064131 has 4 divisors (see below), whose sum is σ = 747980261952. Its totient is φ = 741301866312.

The previous prime is 744641064127. The next prime is 744641064161. The reversal of 744641064131 is 131460146447.

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 744641064131 - 2² = 744641064127 is a prime.

It is a super-2 number, since 2×744641064131² (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 (744641064121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669598576 + ... + 1669599021.

It is an arithmetic number, because the mean of its divisors is an integer number (186995065488).

Almost surely, 2^744641064131 is an apocalyptic number.

744641064131 is a deficient number, since it is larger than the sum of its proper divisors (3339197821).

744641064131 is a wasteful number, since it uses less digits than its factorization.

744641064131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339197820.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 744641064131 in words is "seven hundred forty-four billion, six hundred forty-one million, sixty-four thousand, one hundred thirty-one".