44978720494289 has 4 divisors (see below), whose sum is σ = 44979066054000. Its totient is φ = 44978374934580.

The previous prime is 44978720494273. The next prime is 44978720494303. The reversal of 44978720494289 is 98249402787944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44978720494289 - 2⁴ = 44978720494273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44978720494229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172584539 + ... + 172844960.

It is an arithmetic number, because the mean of its divisors is an integer number (11244766513500).

Almost surely, 2^{44978720494289} is an apocalyptic number.

It is an amenable number.

44978720494289 is a deficient number, since it is larger than the sum of its proper divisors (345559711).

44978720494289 is a wasteful number, since it uses less digits than its factorization.

44978720494289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345559710.

The product of its (nonzero) digits is 2341011456, while the sum is 77.

The spelling of 44978720494289 in words is "forty-four trillion, nine hundred seventy-eight billion, seven hundred twenty million, four hundred ninety-four thousand, two hundred eighty-nine".