1434618690 has 32 divisors (see below), whose sum is σ = 3561814080. Its totient is φ = 369372864.

The previous prime is 1434618667. The next prime is 1434618697. The reversal of 1434618690 is 968164341.

It is a super-2 number, since 2×1434618690² = 4116261571394632200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1434618697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823624 + ... + 825363.

It is an arithmetic number, because the mean of its divisors is an integer number (111306690).

Almost surely, 2^1434618690 is an apocalyptic number.

1434618690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1434618690 is an abundant number, since it is smaller than the sum of its proper divisors (2127195390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1434618690 is a wasteful number, since it uses less digits than its factorization.

1434618690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649026.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1434618690 is about 37876.3605696218. The cubic root of 1434618690 is about 1127.8348102625.

The spelling of 1434618690 in words is "one billion, four hundred thirty-four million, six hundred eighteen thousand, six hundred ninety".