245656721094 has 8 divisors (see below), whose sum is σ = 491313442200. Its totient is φ = 81885573696.

The previous prime is 245656721083. The next prime is 245656721111. The reversal of 245656721094 is 490127656542.

It is a happy number.

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

245656721094 is an admirable number.

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, 20471393419 + ... + 20471393430.

It is an arithmetic number, because the mean of its divisors is an integer number (61414180275).

Almost surely, 2^245656721094 is an apocalyptic number.

245656721094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245656721094 is a wasteful number, since it uses less digits than its factorization.

245656721094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40942786854.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 245656721094 in words is "two hundred forty-five billion, six hundred fifty-six million, seven hundred twenty-one thousand, ninety-four".