73898263488465 has 32 divisors (see below), whose sum is σ = 141480436083840. Its totient is φ = 36380683562688.

The previous prime is 73898263488463. The next prime is 73898263488499. The reversal of 73898263488465 is 56488436289837.

73898263488465 is a `hidden beast` number, since 7 + 3 + 8 + 98 + 2 + 6 + 3 + 488 + 46 + 5 = 666.

It is not a de Polignac number, because 73898263488465 - 2¹ = 73898263488463 is a prime.

It is a super-2 number, since 2×73898263488465² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73898263488463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21053634567 + ... + 21053638076.

It is an arithmetic number, because the mean of its divisors is an integer number (4421263627620).

Almost surely, 2^{73898263488465} is an apocalyptic number.

It is an amenable number.

73898263488465 is a deficient number, since it is larger than the sum of its proper divisors (67582172595375).

73898263488465 is a wasteful number, since it uses less digits than its factorization.

73898263488465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42107272670 (or 42107272664 counting only the distinct ones).

The product of its digits is 13377208320, while the sum is 81.

The spelling of 73898263488465 in words is "seventy-three trillion, eight hundred ninety-eight billion, two hundred sixty-three million, four hundred eighty-eight thousand, four hundred sixty-five".