38463446641 has 9 divisors (see below), whose sum is σ = 40213196121. Its totient is φ = 36786808212.

The previous prime is 38463446629. The next prime is 38463446653. The reversal of 38463446641 is 14664436483.

The square root of 38463446641 is 196121.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (38463446629) and next prime (38463446653).

It is not a de Polignac number, because 38463446641 - 2⁹ = 38463446129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38463446341) 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 8 ways as a sum of consecutive naturals, for example, 4506520 + ... + 4515046.

Almost surely, 2^38463446641 is an apocalyptic number.

38463446641 is the 196121-st square number.

38463446641 is the 98061-st centered octagonal number.

It is an amenable number.

38463446641 is a deficient number, since it is larger than the sum of its proper divisors (1749749480).

38463446641 is an frugal number, since it uses more digits than its factorization.

38463446641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17100 (or 8550 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 49.

Multiplying 38463446641 by its sum of digits (49), we get a square (1884708885409 = 1372847²).

The spelling of 38463446641 in words is "thirty-eight billion, four hundred sixty-three million, four hundred forty-six thousand, six hundred forty-one".