1974799999 has 2 divisors, whose sum is σ = 1974800000. Its totient is φ = 1974799998.

The previous prime is 1974799969. The next prime is 1974800029. The reversal of 1974799999 is 9999974791.

It is a balanced prime because it is at equal distance from previous prime (1974799969) and next prime (1974800029).

It is a cyclic number.

It is not a de Polignac number, because 1974799999 - 2¹⁵ = 1974767231 is a prime.

1974799999 is a modest number, since divided by 99999 gives 19747 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1974799949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987399999 + 987400000.

It is an arithmetic number, because the mean of its divisors is an integer number (987400000).

Almost surely, 2^1974799999 is an apocalyptic number.

1974799999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974799999 is an equidigital number, since it uses as much as digits as its factorization.

1974799999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104162436, while the sum is 73.

The square root of 1974799999 is about 44438.7218425553. The cubic root of 1974799999 is about 1254.6069993721.

The spelling of 1974799999 in words is "one billion, nine hundred seventy-four million, seven hundred ninety-nine thousand, nine hundred ninety-nine".