7489690142 has 16 divisors (see below), whose sum is σ = 12900902400. Its totient is φ = 3225225240.

The previous prime is 7489690141. The next prime is 7489690151. The reversal of 7489690142 is 2410969847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489690141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8958542 + ... + 8959377.

It is an arithmetic number, because the mean of its divisors is an integer number (806306400).

Almost surely, 2^7489690142 is an apocalyptic number.

7489690142 is a deficient number, since it is larger than the sum of its proper divisors (5411212258).

7489690142 is a wasteful number, since it uses less digits than its factorization.

7489690142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17917951.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 7489690142 is about 86542.9959153252. The cubic root of 7489690142 is about 1956.5364819624.

The spelling of 7489690142 in words is "seven billion, four hundred eighty-nine million, six hundred ninety thousand, one hundred forty-two".