1438701349 has 16 divisors (see below), whose sum is σ = 1488595968. Its totient is φ = 1389718512.

The previous prime is 1438701293. The next prime is 1438701373. The reversal of 1438701349 is 9431078341.

It is a cyclic number.

It is not a de Polignac number, because 1438701349 - 2¹⁹ = 1438177061 is a prime.

It is a super-2 number, since 2×1438701349² = 4139723143228839602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438701149) 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, 2629894 + ... + 2630440.

It is an arithmetic number, because the mean of its divisors is an integer number (93037248).

Almost surely, 2^1438701349 is an apocalyptic number.

It is an amenable number.

1438701349 is a deficient number, since it is larger than the sum of its proper divisors (49894619).

1438701349 is a wasteful number, since it uses less digits than its factorization.

1438701349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1438701349 is about 37930.2168330211. The cubic root of 1438701349 is about 1128.9036666191.

The spelling of 1438701349 in words is "one billion, four hundred thirty-eight million, seven hundred one thousand, three hundred forty-nine".