1541415641 has 16 divisors (see below), whose sum is σ = 1648434240. Its totient is φ = 1437163200.

The previous prime is 1541415613. The next prime is 1541415643. The reversal of 1541415641 is 1465141451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1541415641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1541415598 and 1541415607.

It is not an unprimeable number, because it can be changed into a prime (1541415643) 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, 329666 + ... + 334308.

It is an arithmetic number, because the mean of its divisors is an integer number (103027140).

Almost surely, 2^1541415641 is an apocalyptic number.

It is an amenable number.

1541415641 is a deficient number, since it is larger than the sum of its proper divisors (107018599).

1541415641 is a wasteful number, since it uses less digits than its factorization.

1541415641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936.

The product of its digits is 9600, while the sum is 32.

The square root of 1541415641 is about 39260.8665339929. The cubic root of 1541415641 is about 1155.1540909961.

The spelling of 1541415641 in words is "one billion, five hundred forty-one million, four hundred fifteen thousand, six hundred forty-one".