1415681749 has 16 divisors (see below), whose sum is σ = 1516948992. Its totient is φ = 1316475648.

The previous prime is 1415681723. The next prime is 1415681759. The reversal of 1415681749 is 9471865141.

It is not a de Polignac number, because 1415681749 - 2¹¹ = 1415679701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1415681699 and 1415681708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415681759) 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, 1282932 + ... + 1284034.

It is an arithmetic number, because the mean of its divisors is an integer number (94809312).

Almost surely, 2^1415681749 is an apocalyptic number.

It is an amenable number.

1415681749 is a deficient number, since it is larger than the sum of its proper divisors (101267243).

1415681749 is a wasteful number, since it uses less digits than its factorization.

1415681749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956.

The product of its digits is 241920, while the sum is 46.

The square root of 1415681749 is about 37625.5464943700. The cubic root of 1415681749 is about 1122.8503474669.

The spelling of 1415681749 in words is "one billion, four hundred fifteen million, six hundred eighty-one thousand, seven hundred forty-nine".