42361264451 has 4 divisors (see below), whose sum is σ = 46212288504. Its totient is φ = 38510240400.

The previous prime is 42361264441. The next prime is 42361264457. The reversal of 42361264451 is 15446216324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42361264451 - 2¹⁴ = 42361248067 is a prime.

It is a super-3 number, since 3×42361264451³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42361264457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925512010 + ... + 1925512031.

It is an arithmetic number, because the mean of its divisors is an integer number (11553072126).

Almost surely, 2^42361264451 is an apocalyptic number.

42361264451 is a deficient number, since it is larger than the sum of its proper divisors (3851024053).

42361264451 is a wasteful number, since it uses less digits than its factorization.

42361264451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851024052.

The product of its digits is 138240, while the sum is 38.

The spelling of 42361264451 in words is "forty-two billion, three hundred sixty-one million, two hundred sixty-four thousand, four hundred fifty-one".