2595497642 has 4 divisors (see below), whose sum is σ = 3893246466. Its totient is φ = 1297748820.

The previous prime is 2595497633. The next prime is 2595497659. The reversal of 2595497642 is 2467945952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2222273881 + 373223761 = 47141^2 + 19319^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648874409 + ... + 648874412.

Almost surely, 2^2595497642 is an apocalyptic number.

2595497642 is a deficient number, since it is larger than the sum of its proper divisors (1297748824).

2595497642 is a wasteful number, since it uses less digits than its factorization.

2595497642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297748823.

The product of its digits is 5443200, while the sum is 53.

The square root of 2595497642 is about 50946.0267538107. The cubic root of 2595497642 is about 1374.2746838192.

The spelling of 2595497642 in words is "two billion, five hundred ninety-five million, four hundred ninety-seven thousand, six hundred forty-two".