1962279551 has 2 divisors, whose sum is σ = 1962279552. Its totient is φ = 1962279550.

The previous prime is 1962279521. The next prime is 1962279581. The reversal of 1962279551 is 1559722691.

It is a balanced prime because it is at equal distance from previous prime (1962279521) and next prime (1962279581).

It is a cyclic number.

It is not a de Polignac number, because 1962279551 - 2²² = 1958085247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1962279496 and 1962279505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1962279521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981139775 + 981139776.

It is an arithmetic number, because the mean of its divisors is an integer number (981139776).

Almost surely, 2^1962279551 is an apocalyptic number.

1962279551 is the 19811-st centered decagonal number.

1962279551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1962279551 is an equidigital number, since it uses as much as digits as its factorization.

1962279551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 47.

The square root of 1962279551 is about 44297.6246654378. The cubic root of 1962279551 is about 1251.9499275245.

The spelling of 1962279551 in words is "one billion, nine hundred sixty-two million, two hundred seventy-nine thousand, five hundred fifty-one".