61412305402 has 32 divisors (see below), whose sum is σ = 106660374912. Its totient is φ = 25974703104.

The previous prime is 61412305397. The next prime is 61412305421. The reversal of 61412305402 is 20450321416.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079658 + ... + 1135114.

It is an arithmetic number, because the mean of its divisors is an integer number (3333136716).

Almost surely, 2^61412305402 is an apocalyptic number.

61412305402 is a deficient number, since it is larger than the sum of its proper divisors (45248069510).

61412305402 is a wasteful number, since it uses less digits than its factorization.

61412305402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56502.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 61412305402 its reverse (20450321416), we get a palindrome (81862626818).

The spelling of 61412305402 in words is "sixty-one billion, four hundred twelve million, three hundred five thousand, four hundred two".