61893236090 has 16 divisors (see below), whose sum is σ = 127323228672. Its totient is φ = 21220538064.

The previous prime is 61893236059. The next prime is 61893236101. The reversal of 61893236090 is 9063239816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442094474 + ... + 442094613.

It is an arithmetic number, because the mean of its divisors is an integer number (7957701792).

Almost surely, 2^61893236090 is an apocalyptic number.

61893236090 is an abundant number, since it is smaller than the sum of its proper divisors (65429992582).

61893236090 is a wasteful number, since it uses less digits than its factorization.

61893236090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884189101.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 61893236090 in words is "sixty-one billion, eight hundred ninety-three million, two hundred thirty-six thousand, ninety".