1642097575 has 12 divisors (see below), whose sum is σ = 2155978080. Its totient is φ = 1236402560.

The previous prime is 1642097549. The next prime is 1642097579. The reversal of 1642097575 is 5757902461.

It is not a de Polignac number, because 1642097575 - 2⁵ = 1642097543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642097579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1931455 + ... + 1932304.

It is an arithmetic number, because the mean of its divisors is an integer number (179664840).

Almost surely, 2^1642097575 is an apocalyptic number.

1642097575 is a deficient number, since it is larger than the sum of its proper divisors (513880505).

1642097575 is a wasteful number, since it uses less digits than its factorization.

1642097575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863786 (or 3863781 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 1642097575 is about 40522.8031483509. The cubic root of 1642097575 is about 1179.7762610845.

The spelling of 1642097575 in words is "one billion, six hundred forty-two million, ninety-seven thousand, five hundred seventy-five".