1272794546734 has 4 divisors (see below), whose sum is σ = 1909191820104. Its totient is φ = 636397273366.

The previous prime is 1272794546713. The next prime is 1272794546743. The reversal of 1272794546734 is 4376454972721.

It is a semiprime because it is the product of two primes.

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, 318198636682 + ... + 318198636685.

It is an arithmetic number, because the mean of its divisors is an integer number (477297955026).

Almost surely, 2^{1272794546734} is an apocalyptic number.

1272794546734 is a deficient number, since it is larger than the sum of its proper divisors (636397273370).

1272794546734 is an equidigital number, since it uses as much as digits as its factorization.

1272794546734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636397273369.

The product of its digits is 71124480, while the sum is 61.

The spelling of 1272794546734 in words is "one trillion, two hundred seventy-two billion, seven hundred ninety-four million, five hundred forty-six thousand, seven hundred thirty-four".