1057729495 has 4 divisors (see below), whose sum is σ = 1269275400. Its totient is φ = 846183592.

The previous prime is 1057729399. The next prime is 1057729513. The reversal of 1057729495 is 5949277501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5949277501 = 263 ⋅22620827.

It is a cyclic number.

It is not a de Polignac number, because 1057729495 - 2⁹ = 1057728983 is a prime.

It is a super-2 number, since 2×1057729495² = 2237583369185910050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105772945 + ... + 105772954.

It is an arithmetic number, because the mean of its divisors is an integer number (317318850).

Almost surely, 2^1057729495 is an apocalyptic number.

1057729495 is a deficient number, since it is larger than the sum of its proper divisors (211545905).

1057729495 is an equidigital number, since it uses as much as digits as its factorization.

1057729495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211545904.

The product of its (nonzero) digits is 793800, while the sum is 49.

The square root of 1057729495 is about 32522.7534965907. The cubic root of 1057729495 is about 1018.8843032694.

The spelling of 1057729495 in words is "one billion, fifty-seven million, seven hundred twenty-nine thousand, four hundred ninety-five".