1541947494 has 16 divisors (see below), whose sum is σ = 3084595200. Its totient is φ = 513865800.

The previous prime is 1541947493. The next prime is 1541947553. The reversal of 1541947494 is 4947491451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541947493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019 + ... + 55569.

It is an arithmetic number, because the mean of its divisors is an integer number (192787200).

Almost surely, 2^1541947494 is an apocalyptic number.

1541947494 is an abundant number, since it is smaller than the sum of its proper divisors (1542647706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1541947494 is a wasteful number, since it uses less digits than its factorization.

1541947494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58355.

The product of its digits is 725760, while the sum is 48.

The square root of 1541947494 is about 39267.6392720520. The cubic root of 1541947494 is about 1155.2869345772.

The spelling of 1541947494 in words is "one billion, five hundred forty-one million, nine hundred forty-seven thousand, four hundred ninety-four".