61822946709 has 32 divisors (see below), whose sum is σ = 93858374400. Its totient is φ = 40195077120.

The previous prime is 61822946701. The next prime is 61822946749. The reversal of 61822946709 is 90764922816.

It is not a de Polignac number, because 61822946709 - 2³ = 61822946701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61822946701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3499272 + ... + 3516894.

It is an arithmetic number, because the mean of its divisors is an integer number (2933074200).

Almost surely, 2^61822946709 is an apocalyptic number.

It is an amenable number.

61822946709 is a deficient number, since it is larger than the sum of its proper divisors (32035427691).

61822946709 is a wasteful number, since it uses less digits than its factorization.

61822946709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20842 (or 20836 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 61822946709 in words is "sixty-one billion, eight hundred twenty-two million, nine hundred forty-six thousand, seven hundred nine".