5426351645 has 48 divisors (see below), whose sum is σ = 8074225152. Its totient is φ = 3450971520.

The previous prime is 5426351603. The next prime is 5426351699. The reversal of 5426351645 is 5461536245.

It is a happy number.

It is not a de Polignac number, because 5426351645 - 2²⁸ = 5157916189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247604 + ... + 268626.

It is an arithmetic number, because the mean of its divisors is an integer number (168213024).

Almost surely, 2^5426351645 is an apocalyptic number.

5426351645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5426351645 is a deficient number, since it is larger than the sum of its proper divisors (2647873507).

5426351645 is a wasteful number, since it uses less digits than its factorization.

5426351645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21090 (or 21071 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The square root of 5426351645 is about 73663.7743059640. The cubic root of 5426351645 is about 1757.2598162157.

The spelling of 5426351645 in words is "five billion, four hundred twenty-six million, three hundred fifty-one thousand, six hundred forty-five".