1395389263000 has 32 divisors (see below), whose sum is σ = 3265210877760. Its totient is φ = 558155704800.

The previous prime is 1395389262979. The next prime is 1395389263033. The reversal of 1395389263000 is 3629835931.

It is a happy number.

It is a super-2 number, since 2×1395389263000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697693632 + ... + 697695631.

It is an arithmetic number, because the mean of its divisors is an integer number (102037839930).

Almost surely, 2^{1395389263000} is an apocalyptic number.

1395389263000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1395389263000 is an abundant number, since it is smaller than the sum of its proper divisors (1869821614760).

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

1395389263000 is a wasteful number, since it uses less digits than its factorization.

1395389263000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395389284 (or 1395389270 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 1395389263000 in words is "one trillion, three hundred ninety-five billion, three hundred eighty-nine million, two hundred sixty-three thousand".