2340890551 has 2 divisors, whose sum is σ = 2340890552. Its totient is φ = 2340890550.

The previous prime is 2340890509. The next prime is 2340890561. The reversal of 2340890551 is 1550980432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2340890551 - 2⁷ = 2340890423 is a prime.

It is a super-2 number, since 2×2340890551² = 10959537143522167202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2340890551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340890501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170445275 + 1170445276.

It is an arithmetic number, because the mean of its divisors is an integer number (1170445276).

Almost surely, 2^2340890551 is an apocalyptic number.

2340890551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340890551 is an equidigital number, since it uses as much as digits as its factorization.

2340890551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2340890551 is about 48382.7505522371. The cubic root of 2340890551 is about 1327.7827928902.

The spelling of 2340890551 in words is "two billion, three hundred forty million, eight hundred ninety thousand, five hundred fifty-one".