2097494642 has 8 divisors (see below), whose sum is σ = 3146497500. Its totient is φ = 1048662144.

The previous prime is 2097494639. The next prime is 2097494647. The reversal of 2097494642 is 2464947902.

It can be written as a sum of positive squares in 2 ways, for example, as 2080363321 + 17131321 = 45611^2 + 4139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2097494647) 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, 5267 + ... + 64982.

Almost surely, 2^2097494642 is an apocalyptic number.

2097494642 is a deficient number, since it is larger than the sum of its proper divisors (1049002858).

2097494642 is a wasteful number, since it uses less digits than its factorization.

2097494642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85180.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 2097494642 is about 45798.4130947787. The cubic root of 2097494642 is about 1280.0697068972.

The spelling of 2097494642 in words is "two billion, ninety-seven million, four hundred ninety-four thousand, six hundred forty-two".