1434197899 has 4 divisors (see below), whose sum is σ = 1435476136. Its totient is φ = 1432919664.

The previous prime is 1434197839. The next prime is 1434197909. The reversal of 1434197899 is 9987914341.

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

It is a cyclic number.

It is not a de Polignac number, because 1434197899 - 2⁷ = 1434197771 is a prime.

It is a super-2 number, since 2×1434197899² = 4113847226992028402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1434197819) 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, 637434 + ... + 639679.

It is an arithmetic number, because the mean of its divisors is an integer number (358869034).

Almost surely, 2^1434197899 is an apocalyptic number.

1434197899 is a deficient number, since it is larger than the sum of its proper divisors (1278237).

1434197899 is a wasteful number, since it uses less digits than its factorization.

1434197899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278236.

The product of its digits is 1959552, while the sum is 55.

The square root of 1434197899 is about 37870.8053650830. The cubic root of 1434197899 is about 1127.7245302862.

The spelling of 1434197899 in words is "one billion, four hundred thirty-four million, one hundred ninety-seven thousand, eight hundred ninety-nine".