1057860900398 has 4 divisors (see below), whose sum is σ = 1586791350600. Its totient is φ = 528930450198.

The previous prime is 1057860900391. The next prime is 1057860900409. The reversal of 1057860900398 is 8930090687501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1057860900398² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057860900391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264465225098 + ... + 264465225101.

It is an arithmetic number, because the mean of its divisors is an integer number (396697837650).

Almost surely, 2^{1057860900398} is an apocalyptic number.

1057860900398 is a deficient number, since it is larger than the sum of its proper divisors (528930450202).

1057860900398 is an equidigital number, since it uses as much as digits as its factorization.

1057860900398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528930450201.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 1057860900398 in words is "one trillion, fifty-seven billion, eight hundred sixty million, nine hundred thousand, three hundred ninety-eight".