2942257551 has 4 divisors (see below), whose sum is σ = 3923010072. Its totient is φ = 1961505032.

The previous prime is 2942257531. The next prime is 2942257567. The reversal of 2942257551 is 1557522492.

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

It is a cyclic number.

It is not a de Polignac number, because 2942257551 - 2⁵ = 2942257519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942257531) 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, 490376256 + ... + 490376261.

It is an arithmetic number, because the mean of its divisors is an integer number (980752518).

Almost surely, 2^2942257551 is an apocalyptic number.

2942257551 is a deficient number, since it is larger than the sum of its proper divisors (980752521).

2942257551 is an equidigital number, since it uses as much as digits as its factorization.

2942257551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980752520.

The product of its digits is 252000, while the sum is 42.

The square root of 2942257551 is about 54242.5806078583. The cubic root of 2942257551 is about 1432.9363354394.

The spelling of 2942257551 in words is "two billion, nine hundred forty-two million, two hundred fifty-seven thousand, five hundred fifty-one".