44647370997 has 48 divisors (see below), whose sum is σ = 63968268672. Its totient is φ = 27692385280.

The previous prime is 44647370983. The next prime is 44647371001. The reversal of 44647370997 is 79907374644.

It is not a de Polignac number, because 44647370997 - 2²² = 44643176693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44647370997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44647370497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29547472 + ... + 29548982.

It is an arithmetic number, because the mean of its divisors is an integer number (1332672264).

Almost surely, 2^44647370997 is an apocalyptic number.

It is an amenable number.

44647370997 is a deficient number, since it is larger than the sum of its proper divisors (19320897675).

44647370997 is a wasteful number, since it uses less digits than its factorization.

44647370997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 60.

The spelling of 44647370997 in words is "forty-four billion, six hundred forty-seven million, three hundred seventy thousand, nine hundred ninety-seven".