2657951742 has 16 divisors (see below), whose sum is σ = 5327440272. Its totient is φ = 884061120.

The previous prime is 2657951729. The next prime is 2657951767. The reversal of 2657951742 is 2471597562.

It is a junction number, because it is equal to n+sod(n) for n = 2657951691 and 2657951700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477703 + ... + 483234.

It is an arithmetic number, because the mean of its divisors is an integer number (332965017).

Almost surely, 2^2657951742 is an apocalyptic number.

2657951742 is an abundant number, since it is smaller than the sum of its proper divisors (2669488530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2657951742 is a wasteful number, since it uses less digits than its factorization.

2657951742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961403.

The product of its digits is 1058400, while the sum is 48.

The square root of 2657951742 is about 51555.3269992539. The cubic root of 2657951742 is about 1385.2102522410.

The spelling of 2657951742 in words is "two billion, six hundred fifty-seven million, nine hundred fifty-one thousand, seven hundred forty-two".