2131726777454 has 32 divisors (see below), whose sum is σ = 3320123212800. Its totient is φ = 1025785916640.

The previous prime is 2131726777409. The next prime is 2131726777483. The reversal of 2131726777454 is 4547776271312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131726777454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20355077 + ... + 20459535.

It is an arithmetic number, because the mean of its divisors is an integer number (103753850400).

Almost surely, 2^{2131726777454} is an apocalyptic number.

2131726777454 is a deficient number, since it is larger than the sum of its proper divisors (1188396435346).

2131726777454 is a wasteful number, since it uses less digits than its factorization.

2131726777454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108128.

The product of its digits is 13829760, while the sum is 56.

The spelling of 2131726777454 in words is "two trillion, one hundred thirty-one billion, seven hundred twenty-six million, seven hundred seventy-seven thousand, four hundred fifty-four".