1049423697 has 48 divisors (see below), whose sum is σ = 1772184960. Its totient is φ = 586054656.

The previous prime is 1049423689. The next prime is 1049423759. The reversal of 1049423697 is 7963249401.

It is a happy number.

It is not a de Polignac number, because 1049423697 - 2³ = 1049423689 is a prime.

It is a super-2 number, since 2×1049423697² = 2202580191650295618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049423657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 506179 + ... + 508247.

It is an arithmetic number, because the mean of its divisors is an integer number (36920520).

Almost surely, 2^1049423697 is an apocalyptic number.

It is an amenable number.

1049423697 is a deficient number, since it is larger than the sum of its proper divisors (722761263).

1049423697 is a wasteful number, since it uses less digits than its factorization.

1049423697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1049423697 is about 32394.8097231640. The cubic root of 1049423697 is about 1016.2103696823.

It can be divided in two parts, 10494 and 23697, that added together give a triangular number (34191 = T₂₆₁).

The spelling of 1049423697 in words is "one billion, forty-nine million, four hundred twenty-three thousand, six hundred ninety-seven".