61330290298 has 16 divisors (see below), whose sum is σ = 92960870184. Its totient is φ = 30343449600.

The previous prime is 61330290293. The next prime is 61330290319. The reversal of 61330290298 is 89209203316.

It can be written as a sum of positive squares in 4 ways, for example, as 51208521849 + 10121768449 = 226293^2 + 100607^2 .

It is a super-2 number, since 2×61330290298² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61330290293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157686 + ... + 1209502.

Almost surely, 2^61330290298 is an apocalyptic number.

61330290298 is a deficient number, since it is larger than the sum of its proper divisors (31630579886).

61330290298 is a wasteful number, since it uses less digits than its factorization.

61330290298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58017.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 61330290298 in words is "sixty-one billion, three hundred thirty million, two hundred ninety thousand, two hundred ninety-eight".