4037954661 has 24 divisors (see below), whose sum is σ = 6284894616. Its totient is φ = 2483458560.

The previous prime is 4037954617. The next prime is 4037954717. The reversal of 4037954661 is 1664597304.

4037954661 is a `hidden beast` number, since 40 + 3 + 7 + 9 + 546 + 61 = 666.

4037954661 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51926436 + 3986028225 = 7206^2 + 63135^2 .

It is not a de Polignac number, because 4037954661 - 2¹¹ = 4037952613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4037954161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214801 + ... + 232841.

It is an arithmetic number, because the mean of its divisors is an integer number (261870609).

Almost surely, 2^4037954661 is an apocalyptic number.

It is an amenable number.

4037954661 is a deficient number, since it is larger than the sum of its proper divisors (2246939955).

4037954661 is a wasteful number, since it uses less digits than its factorization.

4037954661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19973 (or 19970 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 4037954661 is about 63544.9027145372. The cubic root of 4037954661 is about 1592.4060274112.

The spelling of 4037954661 in words is "four billion, thirty-seven million, nine hundred fifty-four thousand, six hundred sixty-one".