2042116722554 has 4 divisors (see below), whose sum is σ = 3063175083834. Its totient is φ = 1021058361276.

The previous prime is 2042116722533. The next prime is 2042116722599. The reversal of 2042116722554 is 4552276112402.

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., 1377113985025 + 665002737529 = 1173505^2 + 815477^2 .

It is a super-2 number, since 2×2042116722554² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510529180637 + ... + 510529180640.

Almost surely, 2^{2042116722554} is an apocalyptic number.

2042116722554 is a deficient number, since it is larger than the sum of its proper divisors (1021058361280).

2042116722554 is a wasteful number, since it uses less digits than its factorization.

2042116722554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021058361279.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 2042116722554 in words is "two trillion, forty-two billion, one hundred sixteen million, seven hundred twenty-two thousand, five hundred fifty-four".