1830041497 has 4 divisors (see below), whose sum is σ = 1879502116. Its totient is φ = 1780580880.

The previous prime is 1830041471. The next prime is 1830041501. The reversal of 1830041497 is 7941400381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7941400381 = 74449 ⋅106669.

It can be written as a sum of positive squares in 2 ways, for example, as 1134611856 + 695429641 = 33684^2 + 26371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1830041497 - 2¹⁵ = 1830008729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 49460581 = 1830041497 / (1 + 8 + 3 + 0 + 0 + 4 + 1 + 4 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1830041797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24730254 + ... + 24730327.

It is an arithmetic number, because the mean of its divisors is an integer number (469875529).

Almost surely, 2^1830041497 is an apocalyptic number.

It is an amenable number.

1830041497 is a deficient number, since it is larger than the sum of its proper divisors (49460619).

1830041497 is an equidigital number, since it uses as much as digits as its factorization.

1830041497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49460618.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1830041497 is about 42778.9842913550. The cubic root of 1830041497 is about 1223.1704460732.

The spelling of 1830041497 in words is "one billion, eight hundred thirty million, forty-one thousand, four hundred ninety-seven".