1465800397487 has 16 divisors (see below), whose sum is σ = 1505733431328. Its totient is φ = 1426069931520.

The previous prime is 1465800397433. The next prime is 1465800397531. The reversal of 1465800397487 is 7847930085641.

It is a cyclic number.

It is not a de Polignac number, because 1465800397487 - 2¹⁶ = 1465800331951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465800397417) 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, 36178613 + ... + 36219105.

It is an arithmetic number, because the mean of its divisors is an integer number (94108339458).

Almost surely, 2^{1465800397487} is an apocalyptic number.

1465800397487 is a deficient number, since it is larger than the sum of its proper divisors (39933033841).

1465800397487 is a wasteful number, since it uses less digits than its factorization.

1465800397487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42970.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 1465800397487 in words is "one trillion, four hundred sixty-five billion, eight hundred million, three hundred ninety-seven thousand, four hundred eighty-seven".