4202978288051 has 4 divisors (see below), whose sum is σ = 4385716474512. Its totient is φ = 4020240101592.

The previous prime is 4202978288027. The next prime is 4202978288101. The reversal of 4202978288051 is 1508828792024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4202978288051 is a prime.

It is a super-2 number, since 2×4202978288051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202978288851) 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, 91369093196 + ... + 91369093241.

It is an arithmetic number, because the mean of its divisors is an integer number (1096429118628).

Almost surely, 2^{4202978288051} is an apocalyptic number.

4202978288051 is a deficient number, since it is larger than the sum of its proper divisors (182738186461).

4202978288051 is a wasteful number, since it uses less digits than its factorization.

4202978288051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182738186460.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 4202978288051 in words is "four trillion, two hundred two billion, nine hundred seventy-eight million, two hundred eighty-eight thousand, fifty-one".