1383387958425 has 24 divisors (see below), whose sum is σ = 2495128828320. Its totient is φ = 670733555200.

The previous prime is 1383387958399. The next prime is 1383387958451. The reversal of 1383387958425 is 5248597833831.

It is an interprime number because it is at equal distance from previous prime (1383387958399) and next prime (1383387958451).

It is not a de Polignac number, because 1383387958425 - 2¹⁶ = 1383387892889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838416120 + ... + 838417769.

It is an arithmetic number, because the mean of its divisors is an integer number (103963701180).

Almost surely, 2^{1383387958425} is an apocalyptic number.

1383387958425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1383387958425 is a deficient number, since it is larger than the sum of its proper divisors (1111740869895).

1383387958425 is a wasteful number, since it uses less digits than its factorization.

1383387958425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676833913 (or 1676833908 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 66.

The spelling of 1383387958425 in words is "one trillion, three hundred eighty-three billion, three hundred eighty-seven million, nine hundred fifty-eight thousand, four hundred twenty-five".