1358357725949 has 12 divisors (see below), whose sum is σ = 1622839480416. Its totient is φ = 1113684592152.

The previous prime is 1358357725943. The next prime is 1358357725969. The reversal of 1358357725949 is 9495277538531.

It is a de Polignac number, because none of the positive numbers 2^k-1358357725949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358357725943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183409439 + ... + 183416844.

It is an arithmetic number, because the mean of its divisors is an integer number (135236623368).

Almost surely, 2^{1358357725949} is an apocalyptic number.

It is an amenable number.

1358357725949 is a deficient number, since it is larger than the sum of its proper divisors (264481754467).

1358357725949 is an equidigital number, since it uses as much as digits as its factorization.

1358357725949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366826336 (or 366826313 counting only the distinct ones).

The product of its digits is 285768000, while the sum is 68.

The spelling of 1358357725949 in words is "one trillion, three hundred fifty-eight billion, three hundred fifty-seven million, seven hundred twenty-five thousand, nine hundred forty-nine".