2043393892634 has 4 divisors (see below), whose sum is σ = 3065090838954. Its totient is φ = 1021696946316.

The previous prime is 2043393892633. The next prime is 2043393892637. The reversal of 2043393892634 is 4362983933402.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1502470417009 + 540923475625 = 1225753^2 + 735475^2 .

It is a super-2 number, since 2×2043393892634² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2043393892634.

It is not an unprimeable number, because it can be changed into a prime (2043393892633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510848473157 + ... + 510848473160.

Almost surely, 2^{2043393892634} is an apocalyptic number.

2043393892634 is a deficient number, since it is larger than the sum of its proper divisors (1021696946320).

2043393892634 is a wasteful number, since it uses less digits than its factorization.

2043393892634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021696946319.

The product of its (nonzero) digits is 20155392, while the sum is 56.

The spelling of 2043393892634 in words is "two trillion, forty-three billion, three hundred ninety-three million, eight hundred ninety-two thousand, six hundred thirty-four".