451442297961 has 12 divisors (see below), whose sum is σ = 652382605680. Its totient is φ = 300823399800.

The previous prime is 451442297951. The next prime is 451442297987. The reversal of 451442297961 is 169792244154.

451442297961 is a `hidden beast` number, since 4 + 51 + 442 + 2 + 97 + 9 + 61 = 666.

It is not a de Polignac number, because 451442297961 - 2¹³ = 451442289769 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 451442297898 and 451442297907.

It is not an unprimeable number, because it can be changed into a prime (451442297921) 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, 11490315 + ... + 11529536.

It is an arithmetic number, because the mean of its divisors is an integer number (54365217140).

Almost surely, 2^451442297961 is an apocalyptic number.

It is an amenable number.

451442297961 is a deficient number, since it is larger than the sum of its proper divisors (200940307719).

451442297961 is a wasteful number, since it uses less digits than its factorization.

451442297961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23022036 (or 23022033 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 451442297961 in words is "four hundred fifty-one billion, four hundred forty-two million, two hundred ninety-seven thousand, nine hundred sixty-one".