2951409493 has 2 divisors, whose sum is σ = 2951409494. Its totient is φ = 2951409492.

The previous prime is 2951409481. The next prime is 2951409607. The reversal of 2951409493 is 3949041592.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2892073284 + 59336209 = 53778^2 + 7703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2951409493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2951409413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475704746 + 1475704747.

It is an arithmetic number, because the mean of its divisors is an integer number (1475704747).

Almost surely, 2^2951409493 is an apocalyptic number.

It is an amenable number.

2951409493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2951409493 is an equidigital number, since it uses as much as digits as its factorization.

2951409493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 2951409493 is about 54326.8763412733. The cubic root of 2951409493 is about 1434.4205218950.

The spelling of 2951409493 in words is "two billion, nine hundred fifty-one million, four hundred nine thousand, four hundred ninety-three".