451196396505 has 12 divisors (see below), whose sum is σ = 782073754020. Its totient is φ = 240638078112.

The previous prime is 451196396503. The next prime is 451196396527. The reversal of 451196396505 is 505693691154.

451196396505 is a `hidden beast` number, since 4 + 5 + 11 + 96 + 39 + 6 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99087077961 + 352109318544 = 314781^2 + 593388^2 .

It is not a de Polignac number, because 451196396505 - 2¹ = 451196396503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451196396503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5013293250 + ... + 5013293339.

It is an arithmetic number, because the mean of its divisors is an integer number (65172812835).

Almost surely, 2^451196396505 is an apocalyptic number.

451196396505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

451196396505 is a deficient number, since it is larger than the sum of its proper divisors (330877357515).

451196396505 is a wasteful number, since it uses less digits than its factorization.

451196396505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026586600 (or 10026586597 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 451196396505 in words is "four hundred fifty-one billion, one hundred ninety-six million, three hundred ninety-six thousand, five hundred five".