1357849797 has 8 divisors (see below), whose sum is σ = 1811863200. Its totient is φ = 904534800.

The previous prime is 1357849729. The next prime is 1357849799. The reversal of 1357849797 is 7979487531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1357849797 - 2¹⁶ = 1357784261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1357849797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357849799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170047 + ... + 177852.

It is an arithmetic number, because the mean of its divisors is an integer number (226482900).

Almost surely, 2^1357849797 is an apocalyptic number.

It is an amenable number.

1357849797 is a deficient number, since it is larger than the sum of its proper divisors (454013403).

1357849797 is a wasteful number, since it uses less digits than its factorization.

1357849797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349203.

The product of its digits is 13335840, while the sum is 60.

The square root of 1357849797 is about 36849.0135146112. The cubic root of 1357849797 is about 1107.3474517063.

The spelling of 1357849797 in words is "one billion, three hundred fifty-seven million, eight hundred forty-nine thousand, seven hundred ninety-seven".