61402141634 has 8 divisors (see below), whose sum is σ = 92300437008. Its totient is φ = 30635329300.

The previous prime is 61402141607. The next prime is 61402141643. The reversal of 61402141634 is 43614120416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61402141634.

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 3 ways as a sum of consecutive naturals, for example, 32869592 + ... + 32871459.

It is an arithmetic number, because the mean of its divisors is an integer number (11537554626).

Almost surely, 2^61402141634 is an apocalyptic number.

61402141634 is a deficient number, since it is larger than the sum of its proper divisors (30898295374).

61402141634 is a wasteful number, since it uses less digits than its factorization.

61402141634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65741520.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 61402141634 in words is "sixty-one billion, four hundred two million, one hundred forty-one thousand, six hundred thirty-four".