1464434642551 has 8 divisors (see below), whose sum is σ = 1501245227664. Its totient is φ = 1427676089280.

The previous prime is 1464434642537. The next prime is 1464434642599. The reversal of 1464434642551 is 1552464344641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1464434642551 - 2²⁷ = 1464300424823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1464434642495 and 1464434642504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464434642521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12950961 + ... + 13063546.

It is an arithmetic number, because the mean of its divisors is an integer number (187655653458).

Almost surely, 2^{1464434642551} is an apocalyptic number.

1464434642551 is a deficient number, since it is larger than the sum of its proper divisors (36810585113).

1464434642551 is a wasteful number, since it uses less digits than its factorization.

1464434642551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26015921.

The product of its digits is 5529600, while the sum is 49.

The spelling of 1464434642551 in words is "one trillion, four hundred sixty-four billion, four hundred thirty-four million, six hundred forty-two thousand, five hundred fifty-one".