941691945 has 16 divisors (see below), whose sum is σ = 1513852992. Its totient is φ = 499853760.

The previous prime is 941691943. The next prime is 941692007. The reversal of 941691945 is 549196149.

It is a happy number.

It is not a de Polignac number, because 941691945 - 2¹ = 941691943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 941691894 and 941691903.

It is not an unprimeable number, because it can be changed into a prime (941691943) 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, 145602 + ... + 151931.

It is an arithmetic number, because the mean of its divisors is an integer number (94615812).

Almost surely, 2^941691945 is an apocalyptic number.

It is an amenable number.

941691945 is a deficient number, since it is larger than the sum of its proper divisors (572161047).

941691945 is a wasteful number, since it uses less digits than its factorization.

941691945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297752.

The product of its digits is 349920, while the sum is 48.

The square root of 941691945 is about 30686.9996089549. Note that the first 3 decimals coincide. The cubic root of 941691945 is about 980.1734889995.

The spelling of 941691945 in words is "nine hundred forty-one million, six hundred ninety-one thousand, nine hundred forty-five".