2049400497 has 8 divisors (see below), whose sum is σ = 2743167456. Its totient is φ = 1360950272.

The previous prime is 2049400433. The next prime is 2049400519. The reversal of 2049400497 is 7940049402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2049400497 - 2⁶ = 2049400433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2049402497) 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, 1328283 + ... + 1329824.

It is an arithmetic number, because the mean of its divisors is an integer number (342895932).

Almost surely, 2^2049400497 is an apocalyptic number.

It is an amenable number.

2049400497 is a deficient number, since it is larger than the sum of its proper divisors (693766959).

2049400497 is a wasteful number, since it uses less digits than its factorization.

2049400497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658367.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2049400497 is about 45270.3048034802. The cubic root of 2049400497 is about 1270.2102483254.

Adding to 2049400497 its reverse (7940049402), we get a palindrome (9989449899).

The spelling of 2049400497 in words is "two billion, forty-nine million, four hundred thousand, four hundred ninety-seven".