749231505132947 has 8 divisors (see below), whose sum is σ = 751731725981616. Its totient is φ = 746731962692352.

The previous prime is 749231505132937. The next prime is 749231505132961.

749231505132947 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749231505132947 is a prime.

It is a super-2 number, since 2×749231505132947² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749231505132947.

It is not an unprimeable number, because it can be changed into a prime (749231505132917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167389493 + ... + 171807174.

It is an arithmetic number, because the mean of its divisors is an integer number (93966465747702).

Almost surely, 2^{749231505132947} is an apocalyptic number.

749231505132947 is a deficient number, since it is larger than the sum of its proper divisors (2500220848669).

749231505132947 is a wasteful number, since it uses less digits than its factorization.

749231505132947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339204037.

The product of its (nonzero) digits is 57153600, while the sum is 62.

The spelling of 749231505132947 in words is "seven hundred forty-nine trillion, two hundred thirty-one billion, five hundred five million, one hundred thirty-two thousand, nine hundred forty-seven".