7142994899 has 2 divisors, whose sum is σ = 7142994900. Its totient is φ = 7142994898.

The previous prime is 7142994853. The next prime is 7142994961. The reversal of 7142994899 is 9984992417.

It is an a-pointer prime, because the next prime (7142994961) can be obtained adding 7142994899 to its sum of digits (62).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7142994899 - 2⁸ = 7142994643 is a prime.

It is a super-2 number, since 2×7142994899² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7142993899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571497449 + 3571497450.

It is an arithmetic number, because the mean of its divisors is an integer number (3571497450).

Almost surely, 2^7142994899 is an apocalyptic number.

7142994899 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142994899 is an equidigital number, since it uses as much as digits as its factorization.

7142994899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 62.

The square root of 7142994899 is about 84516.2404452541. The cubic root of 7142994899 is about 1925.8691660760.

The spelling of 7142994899 in words is "seven billion, one hundred forty-two million, nine hundred ninety-four thousand, eight hundred ninety-nine".