61870322492 has 24 divisors (see below), whose sum is σ = 118156918320. Its totient is φ = 28113148160.

The previous prime is 61870322419. The next prime is 61870322519. The reversal of 61870322492 is 29422307816.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 113693 + ... + 369684.

It is an arithmetic number, because the mean of its divisors is an integer number (4923204930).

Almost surely, 2^61870322492 is an apocalyptic number.

It is an amenable number.

61870322492 is a deficient number, since it is larger than the sum of its proper divisors (56286595828).

61870322492 is a wasteful number, since it uses less digits than its factorization.

61870322492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486301 (or 486299 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 61870322492 in words is "sixty-one billion, eight hundred seventy million, three hundred twenty-two thousand, four hundred ninety-two".