61822994043 has 16 divisors (see below), whose sum is σ = 82901620256. Its totient is φ = 40979934720.

The previous prime is 61822994039. The next prime is 61822994059. The reversal of 61822994043 is 34049922816.

61822994043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61822994043 - 2² = 61822994039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61822993983 and 61822994001.

It is not an unprimeable number, because it can be changed into a prime (61822994033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5618355 + ... + 5629347.

It is an arithmetic number, because the mean of its divisors is an integer number (5181351266).

Almost surely, 2^61822994043 is an apocalyptic number.

61822994043 is a deficient number, since it is larger than the sum of its proper divisors (21078626213).

61822994043 is a wasteful number, since it uses less digits than its factorization.

61822994043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21534.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 61822994043 in words is "sixty-one billion, eight hundred twenty-two million, nine hundred ninety-four thousand, forty-three".