7950143641 has 4 divisors (see below), whose sum is σ = 8672883984. Its totient is φ = 7227403300.

The previous prime is 7950143611. The next prime is 7950143659. The reversal of 7950143641 is 1463410597.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7950143641 - 2⁹ = 7950143129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7950143594 and 7950143603.

It is not an unprimeable number, because it can be changed into a prime (7950143611) 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, 361370155 + ... + 361370176.

It is an arithmetic number, because the mean of its divisors is an integer number (2168220996).

Almost surely, 2^7950143641 is an apocalyptic number.

It is an amenable number.

7950143641 is a deficient number, since it is larger than the sum of its proper divisors (722740343).

7950143641 is a wasteful number, since it uses less digits than its factorization.

7950143641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722740342.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 7950143641 is about 89163.5779957265. The cubic root of 7950143641 is about 1995.8366426583.

The spelling of 7950143641 in words is "seven billion, nine hundred fifty million, one hundred forty-three thousand, six hundred forty-one".