1344641694 has 32 divisors (see below), whose sum is σ = 2989125504. Its totient is φ = 399778080.

The previous prime is 1344641681. The next prime is 1344641713. The reversal of 1344641694 is 4961464431.

It is a super-2 number, since 2×1344641694² = 3616122570486379272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188704 + ... + 195699.

It is an arithmetic number, because the mean of its divisors is an integer number (93410172).

Almost surely, 2^1344641694 is an apocalyptic number.

1344641694 is an abundant number, since it is smaller than the sum of its proper divisors (1644483810).

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

1344641694 is a wasteful number, since it uses less digits than its factorization.

1344641694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384472.

The product of its digits is 248832, while the sum is 42.

The square root of 1344641694 is about 36669.3563346836. The cubic root of 1344641694 is about 1103.7452760493.

The spelling of 1344641694 in words is "one billion, three hundred forty-four million, six hundred forty-one thousand, six hundred ninety-four".