651454454155 has 16 divisors (see below), whose sum is σ = 827509114080. Its totient is φ = 491490252288.

The previous prime is 651454454117. The next prime is 651454454173. The reversal of 651454454155 is 551454454156.

It is a cyclic number.

It is not a de Polignac number, because 651454454155 - 2¹¹ = 651454452107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651454454099 and 651454454108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52235502 + ... + 52247971.

It is an arithmetic number, because the mean of its divisors is an integer number (51719319630).

Almost surely, 2^651454454155 is an apocalyptic number.

651454454155 is a deficient number, since it is larger than the sum of its proper divisors (176054659925).

651454454155 is a wasteful number, since it uses less digits than its factorization.

651454454155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104483550.

The product of its digits is 4800000, while the sum is 49.

Subtracting from 651454454155 its reverse (551454454156), we obtain a palindrome (99999999999).

The spelling of 651454454155 in words is "six hundred fifty-one billion, four hundred fifty-four million, four hundred fifty-four thousand, one hundred fifty-five".