1670426434 has 16 divisors (see below), whose sum is σ = 2541958848. Its totient is φ = 823186672.

The previous prime is 1670426431. The next prime is 1670426437. The reversal of 1670426434 is 4346240761.

It is an interprime number because it is at equal distance from previous prime (1670426431) and next prime (1670426437).

It is a junction number, because it is equal to n+sod(n) for n = 1670426393 and 1670426402.

It is not an unprimeable number, because it can be changed into a prime (1670426431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22347 + ... + 61969.

It is an arithmetic number, because the mean of its divisors is an integer number (158872428).

Almost surely, 2^1670426434 is an apocalyptic number.

1670426434 is a deficient number, since it is larger than the sum of its proper divisors (871532414).

1670426434 is a wasteful number, since it uses less digits than its factorization.

1670426434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39929.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 1670426434 is about 40870.8506640124. The cubic root of 1670426434 is about 1186.5219713564.

The spelling of 1670426434 in words is "one billion, six hundred seventy million, four hundred twenty-six thousand, four hundred thirty-four".