1828413557 has 8 divisors (see below), whose sum is σ = 1885361184. Its totient is φ = 1772297488.

The previous prime is 1828413487. The next prime is 1828413569. The reversal of 1828413557 is 7553148281.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1828413557 is a prime.

It is a super-2 number, since 2×1828413557² = 6686192270842784498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828413577) 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, 203423 + ... + 212220.

It is an arithmetic number, because the mean of its divisors is an integer number (235670148).

Almost surely, 2^1828413557 is an apocalyptic number.

It is an amenable number.

1828413557 is a deficient number, since it is larger than the sum of its proper divisors (56947627).

1828413557 is an equidigital number, since it uses as much as digits as its factorization.

1828413557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415779.

The product of its digits is 268800, while the sum is 44.

The square root of 1828413557 is about 42759.9527244828. The cubic root of 1828413557 is about 1222.8076421260.

The spelling of 1828413557 in words is "one billion, eight hundred twenty-eight million, four hundred thirteen thousand, five hundred fifty-seven".