1374621510864 has 80 divisors (see below), whose sum is σ = 4079434570112. Its totient is φ = 390714015744.

The previous prime is 1374621510827. The next prime is 1374621510947. The reversal of 1374621510864 is 4680151264731.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10533949 + ... + 10663644.

Almost surely, 2^{1374621510864} is an apocalyptic number.

1374621510864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1374621510864 is an abundant number, since it is smaller than the sum of its proper divisors (2704813059248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1374621510864 is a wasteful number, since it uses less digits than its factorization.

1374621510864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21197804 (or 21197798 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 1374621510864 in words is "one trillion, three hundred seventy-four billion, six hundred twenty-one million, five hundred ten thousand, eight hundred sixty-four".