1373257465848 has 128 divisors (see below), whose sum is σ = 3918510604800. Its totient is φ = 445366591488.

The previous prime is 1373257465847. The next prime is 1373257465901. The reversal of 1373257465848 is 8485647523731.

It is a happy number.

1373257465848 is a `hidden beast` number, since 1 + 3 + 7 + 3 + 2 + 5 + 7 + 46 + 584 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373257465847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2099365 + ... + 2674667.

It is an arithmetic number, because the mean of its divisors is an integer number (30613364100).

Almost surely, 2^{1373257465848} is an apocalyptic number.

1373257465848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373257465848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959255302400).

1373257465848 is an abundant number, since it is smaller than the sum of its proper divisors (2545253138952).

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

1373257465848 is a wasteful number, since it uses less digits than its factorization.

1373257465848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575618 (or 575608 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 63.

The spelling of 1373257465848 in words is "one trillion, three hundred seventy-three billion, two hundred fifty-seven million, four hundred sixty-five thousand, eight hundred forty-eight".