2501136642 has 8 divisors (see below), whose sum is σ = 5002273296. Its totient is φ = 833712212.

The previous prime is 2501136641. The next prime is 2501136683. The reversal of 2501136642 is 2466311052.

It is a sphenic number, since it is the product of 3 distinct primes.

2501136642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2501136641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208428048 + ... + 208428059.

It is an arithmetic number, because the mean of its divisors is an integer number (625284162).

Almost surely, 2^2501136642 is an apocalyptic number.

2501136642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2501136642 is a wasteful number, since it uses less digits than its factorization.

2501136642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416856112.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2501136642 is about 50011.3651283386. The cubic root of 2501136642 is about 1357.4144652041.

Adding to 2501136642 its reverse (2466311052), we get a palindrome (4967447694).

The spelling of 2501136642 in words is "two billion, five hundred one million, one hundred thirty-six thousand, six hundred forty-two".