5642454614451 has 16 divisors (see below), whose sum is σ = 7616774704896. Its totient is φ = 3714919515296.

The previous prime is 5642454614449. The next prime is 5642454614521. The reversal of 5642454614451 is 1544164542465.

It is a cyclic number.

It is not a de Polignac number, because 5642454614451 - 2¹ = 5642454614449 is a prime.

It is a super-2 number, since 2×5642454614451² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5642454614394 and 5642454614403.

It is not an unprimeable number, because it can be changed into a prime (5642454614051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591600 + ... + 4917773.

It is an arithmetic number, because the mean of its divisors is an integer number (476048419056).

Almost surely, 2^{5642454614451} is an apocalyptic number.

5642454614451 is a deficient number, since it is larger than the sum of its proper divisors (1974320090445).

5642454614451 is a wasteful number, since it uses less digits than its factorization.

5642454614451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8512122.

The product of its digits is 9216000, while the sum is 51.

The spelling of 5642454614451 in words is "five trillion, six hundred forty-two billion, four hundred fifty-four million, six hundred fourteen thousand, four hundred fifty-one".