1534745968749 has 80 divisors (see below), whose sum is σ = 2724182687040. Its totient is φ = 853293722400.

The previous prime is 1534745968711. The next prime is 1534745968759. The reversal of 1534745968749 is 9478695474351.

1534745968749 is a `hidden beast` number, since 1 + 5 + 3 + 47 + 459 + 68 + 74 + 9 = 666.

It is not a de Polignac number, because 1534745968749 - 2⁷ = 1534745968621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534745968759) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2078674 + ... + 2718524.

It is an arithmetic number, because the mean of its divisors is an integer number (34052283588).

Almost surely, 2^{1534745968749} is an apocalyptic number.

It is an amenable number.

1534745968749 is a deficient number, since it is larger than the sum of its proper divisors (1189436718291).

1534745968749 is an frugal number, since it uses more digits than its factorization.

1534745968749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639925 (or 639898 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 72.

The spelling of 1534745968749 in words is "one trillion, five hundred thirty-four billion, seven hundred forty-five million, nine hundred sixty-eight thousand, seven hundred forty-nine".