1141819497 has 160 divisors (see below), whose sum is σ = 2289745920. Its totient is φ = 550074240.

The previous prime is 1141819493. The next prime is 1141819543. The reversal of 1141819497 is 7949181411.

1141819497 is a `hidden beast` number, since 1 + 141 + 8 + 19 + 497 = 666.

It is not a de Polignac number, because 1141819497 - 2² = 1141819493 is a prime.

Its product of digits (72576) is a multiple of the sum of its prime divisors (336).

It is not an unprimeable number, because it can be changed into a prime (1141819493) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4341388 + ... + 4341650.

It is an arithmetic number, because the mean of its divisors is an integer number (14310912).

Almost surely, 2^1141819497 is an apocalyptic number.

It is an amenable number.

1141819497 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1141819497 is a wasteful number, since it uses less digits than its factorization.

1141819497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 336 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 1141819497 is about 33790.8197148279. The cubic root of 1141819497 is about 1045.1993993862.

It can be divided in two parts, 1141819 and 497, that added together give a triangular number (1142316 = T₁₅₁₁).

The spelling of 1141819497 in words is "one billion, one hundred forty-one million, eight hundred nineteen thousand, four hundred ninety-seven".