749153747351947 has 16 divisors (see below), whose sum is σ = 906602952825792. Its totient is φ = 604316682639360.

The previous prime is 749153747351927. The next prime is 749153747351969.

749153747351947 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 749153747351947 - 2¹⁹ = 749153746827659 is a prime.

It is a super-2 number, since 2×749153747351947² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749153747351927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220405054 + ... + 223778227.

It is an arithmetic number, because the mean of its divisors is an integer number (56662684551612).

Almost surely, 2^{749153747351947} is an apocalyptic number.

749153747351947 is a deficient number, since it is larger than the sum of its proper divisors (157449205473845).

749153747351947 is a wasteful number, since it uses less digits than its factorization.

749153747351947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444197478.

The product of its digits is 2800526400, while the sum is 76.

The spelling of 749153747351947 in words is "seven hundred forty-nine trillion, one hundred fifty-three billion, seven hundred forty-seven million, three hundred fifty-one thousand, nine hundred forty-seven".