744641904157 has 16 divisors (see below), whose sum is σ = 768917191680. Its totient is φ = 720765101232.

The previous prime is 744641904151. The next prime is 744641904163. The reversal of 744641904157 is 751409146447.

It is an interprime number because it is at equal distance from previous prime (744641904151) and next prime (744641904163).

It is a de Polignac number, because none of the positive numbers 2^k-744641904157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744641904151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8824588 + ... + 8908570.

It is an arithmetic number, because the mean of its divisors is an integer number (48057324480).

Almost surely, 2^744641904157 is an apocalyptic number.

It is an amenable number.

744641904157 is a deficient number, since it is larger than the sum of its proper divisors (24275287523).

744641904157 is a wasteful number, since it uses less digits than its factorization.

744641904157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86352.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 744641904157 in words is "seven hundred forty-four billion, six hundred forty-one million, nine hundred four thousand, one hundred fifty-seven".