61790129630 has 8 divisors (see below), whose sum is σ = 111222233352. Its totient is φ = 24716051848.

The previous prime is 61790129627. The next prime is 61790129641. The reversal of 61790129630 is 3692109716.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3089506472 + ... + 3089506491.

It is an arithmetic number, because the mean of its divisors is an integer number (13902779169).

Almost surely, 2^61790129630 is an apocalyptic number.

61790129630 is a deficient number, since it is larger than the sum of its proper divisors (49432103722).

61790129630 is a wasteful number, since it uses less digits than its factorization.

61790129630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179012970.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 61790129630 in words is "sixty-one billion, seven hundred ninety million, one hundred twenty-nine thousand, six hundred thirty".