1047742651 has 2 divisors, whose sum is σ = 1047742652. Its totient is φ = 1047742650.

The previous prime is 1047742627. The next prime is 1047742673. The reversal of 1047742651 is 1562477401.

It is a strong prime.

It is an emirp because it is prime and its reverse (1562477401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047742651 - 2²¹ = 1045645499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1047742651.

It is not a weakly prime, because it can be changed into another prime (1047712651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523871325 + 523871326.

It is an arithmetic number, because the mean of its divisors is an integer number (523871326).

Almost surely, 2^1047742651 is an apocalyptic number.

1047742651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047742651 is an equidigital number, since it uses as much as digits as its factorization.

1047742651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 1047742651 is about 32368.8530998551. The cubic root of 1047742651 is about 1015.6674655614.

The spelling of 1047742651 in words is "one billion, forty-seven million, seven hundred forty-two thousand, six hundred fifty-one".