2745458761816 has 8 divisors (see below), whose sum is σ = 5147735178420. Its totient is φ = 1372729380904.

The previous prime is 2745458761769. The next prime is 2745458761973. The reversal of 2745458761816 is 6181678545472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171591172606 + ... + 171591172621.

Almost surely, 2^{2745458761816} is an apocalyptic number.

It is an amenable number.

2745458761816 is a deficient number, since it is larger than the sum of its proper divisors (2402276416604).

2745458761816 is a wasteful number, since it uses less digits than its factorization.

2745458761816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343182345233 (or 343182345229 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 64.

The spelling of 2745458761816 in words is "two trillion, seven hundred forty-five billion, four hundred fifty-eight million, seven hundred sixty-one thousand, eight hundred sixteen".