4078961501 has 2 divisors, whose sum is σ = 4078961502. Its totient is φ = 4078961500.

The previous prime is 4078961483. The next prime is 4078961503. The reversal of 4078961501 is 1051698704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3240569476 + 838392025 = 56926^2 + 28955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4078961501 is a prime.

Together with 4078961503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4078961503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039480750 + 2039480751.

It is an arithmetic number, because the mean of its divisors is an integer number (2039480751).

Almost surely, 2^4078961501 is an apocalyptic number.

It is an amenable number.

4078961501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078961501 is an equidigital number, since it uses as much as digits as its factorization.

4078961501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 4078961501 is about 63866.7480070811. The cubic root of 4078961501 is about 1597.7783620736.

The spelling of 4078961501 in words is "four billion, seventy-eight million, nine hundred sixty-one thousand, five hundred one".