447254150819 has 12 divisors (see below), whose sum is σ = 525426482448. Its totient is φ = 379565046000.

The previous prime is 447254150771. The next prime is 447254150867. The reversal of 447254150819 is 918051452744.

It is an interprime number because it is at equal distance from previous prime (447254150771) and next prime (447254150867).

It is not a de Polignac number, because 447254150819 - 2¹² = 447254146723 is a prime.

It is a super-2 number, since 2×447254150819² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (447254150899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45181367 + ... + 45191264.

It is an arithmetic number, because the mean of its divisors is an integer number (43785540204).

Almost surely, 2^447254150819 is an apocalyptic number.

447254150819 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

447254150819 is a deficient number, since it is larger than the sum of its proper divisors (78172331629).

447254150819 is a wasteful number, since it uses less digits than its factorization.

447254150819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90372746 (or 90372739 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 447254150819 in words is "four hundred forty-seven billion, two hundred fifty-four million, one hundred fifty thousand, eight hundred nineteen".