61092100849 has 12 divisors (see below), whose sum is σ = 66163969152. Its totient is φ = 56383345200.

The previous prime is 61092100763. The next prime is 61092100873. The reversal of 61092100849 is 94800129016.

It is not a de Polignac number, because 61092100849 - 2⁷ = 61092100721 is a prime.

It is a super-2 number, since 2×61092100849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61092101849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1121064 + ... + 1174294.

It is an arithmetic number, because the mean of its divisors is an integer number (5513664096).

Almost surely, 2^61092100849 is an apocalyptic number.

It is an amenable number.

61092100849 is a deficient number, since it is larger than the sum of its proper divisors (5071868303).

61092100849 is a wasteful number, since it uses less digits than its factorization.

61092100849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60048 (or 60035 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 61092100849 in words is "sixty-one billion, ninety-two million, one hundred thousand, eight hundred forty-nine".