61199800294 has 4 divisors (see below), whose sum is σ = 91799700444. Its totient is φ = 30599900146.

The previous prime is 61199800279. The next prime is 61199800351. The reversal of 61199800294 is 49200899116.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15299950072 + ... + 15299950075.

It is an arithmetic number, because the mean of its divisors is an integer number (22949925111).

Almost surely, 2^61199800294 is an apocalyptic number.

61199800294 is a deficient number, since it is larger than the sum of its proper divisors (30599900150).

61199800294 is a wasteful number, since it uses less digits than its factorization.

61199800294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30599900149.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 61199800294 in words is "sixty-one billion, one hundred ninety-nine million, eight hundred thousand, two hundred ninety-four".