1951268941 has 2 divisors, whose sum is σ = 1951268942. Its totient is φ = 1951268940.

The previous prime is 1951268909. The next prime is 1951268947. The reversal of 1951268941 is 1498621591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1819363716 + 131905225 = 42654^2 + 11485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1951268941 - 2⁵ = 1951268909 is a prime.

It is a super-2 number, since 2×1951268941² = 7614900960222522962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1951268891 and 1951268900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1951268947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975634470 + 975634471.

It is an arithmetic number, because the mean of its divisors is an integer number (975634471).

Almost surely, 2^1951268941 is an apocalyptic number.

It is an amenable number.

1951268941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951268941 is an equidigital number, since it uses as much as digits as its factorization.

1951268941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 46.

The square root of 1951268941 is about 44173.1699224767. The cubic root of 1951268941 is about 1249.6039152534.

The spelling of 1951268941 in words is "one billion, nine hundred fifty-one million, two hundred sixty-eight thousand, nine hundred forty-one".