61847894242 has 32 divisors (see below), whose sum is σ = 100224273024. Its totient is φ = 28518739200.

The previous prime is 61847894231. The next prime is 61847894249. The reversal of 61847894242 is 24249874816.

It is not an unprimeable number, because it can be changed into a prime (61847894249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314892 + ... + 472072.

It is an arithmetic number, because the mean of its divisors is an integer number (3132008532).

Almost surely, 2^61847894242 is an apocalyptic number.

61847894242 is a deficient number, since it is larger than the sum of its proper divisors (38376378782).

61847894242 is a wasteful number, since it uses less digits than its factorization.

61847894242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157434.

The product of its digits is 6193152, while the sum is 55.

The spelling of 61847894242 in words is "sixty-one billion, eight hundred forty-seven million, eight hundred ninety-four thousand, two hundred forty-two".