1017348749 has 4 divisors (see below), whose sum is σ = 1070893440. Its totient is φ = 963804060.

The previous prime is 1017348737. The next prime is 1017348757. The reversal of 1017348749 is 9478437101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1017348749 - 2⁴ = 1017348733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017348349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26772317 + ... + 26772354.

It is an arithmetic number, because the mean of its divisors is an integer number (267723360).

Almost surely, 2^1017348749 is an apocalyptic number.

1017348749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1017348749 is a deficient number, since it is larger than the sum of its proper divisors (53544691).

1017348749 is an equidigital number, since it uses as much as digits as its factorization.

1017348749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53544690.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 1017348749 is about 31895.9048938888. The cubic root of 1017348749 is about 1005.7497928525.

The spelling of 1017348749 in words is "one billion, seventeen million, three hundred forty-eight thousand, seven hundred forty-nine".