61043788370 has 32 divisors (see below), whose sum is σ = 110119230000. Its totient is φ = 24364154880.

The previous prime is 61043788363. The next prime is 61043788381. The reversal of 61043788370 is 7388734016.

It can be written as a sum of positive squares in 8 ways, for example, as 2509308649 + 58534479721 = 50093^2 + 241939^2 .

It is a super-2 number, since 2×61043788370² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10251314 + ... + 10257266.

Almost surely, 2^61043788370 is an apocalyptic number.

61043788370 is a deficient number, since it is larger than the sum of its proper divisors (49075441630).

61043788370 is a wasteful number, since it uses less digits than its factorization.

61043788370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 61043788370 in words is "sixty-one billion, forty-three million, seven hundred eighty-eight thousand, three hundred seventy".