1951962427 has 2 divisors, whose sum is σ = 1951962428. Its totient is φ = 1951962426.

The previous prime is 1951962407. The next prime is 1951962541. The reversal of 1951962427 is 7242691591.

It is a weak prime.

It is an emirp because it is prime and its reverse (7242691591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1951962427 - 2²⁷ = 1817744699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1951962407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975981213 + 975981214.

It is an arithmetic number, because the mean of its divisors is an integer number (975981214).

Almost surely, 2^1951962427 is an apocalyptic number.

1951962427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951962427 is an equidigital number, since it uses as much as digits as its factorization.

1951962427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 1951962427 is about 44181.0188542546. The cubic root of 1951962427 is about 1249.7519352010.

The spelling of 1951962427 in words is "one billion, nine hundred fifty-one million, nine hundred sixty-two thousand, four hundred twenty-seven".