1464878140765 has 32 divisors (see below), whose sum is σ = 1896602400000. Its totient is φ = 1079740730880.

The previous prime is 1464878140753. The next prime is 1464878140769. The reversal of 1464878140765 is 5670418784641.

It is a de Polignac number, because none of the positive numbers 2^k-1464878140765 is a prime.

It is a super-2 number, since 2×1464878140765² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464878140769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214128745 + ... + 214135585.

It is an arithmetic number, because the mean of its divisors is an integer number (59268825000).

Almost surely, 2^{1464878140765} is an apocalyptic number.

It is an amenable number.

1464878140765 is a deficient number, since it is larger than the sum of its proper divisors (431724259235).

1464878140765 is a wasteful number, since it uses less digits than its factorization.

1464878140765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12517.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 1464878140765 in words is "one trillion, four hundred sixty-four billion, eight hundred seventy-eight million, one hundred forty thousand, seven hundred sixty-five".