4187945542 has 16 divisors (see below), whose sum is σ = 6880313664. Its totient is φ = 1896025000.

The previous prime is 4187945539. The next prime is 4187945543. The reversal of 4187945542 is 2455497814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4187945543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373684 + ... + 384727.

It is an arithmetic number, because the mean of its divisors is an integer number (430019604).

Almost surely, 2^4187945542 is an apocalyptic number.

4187945542 is a deficient number, since it is larger than the sum of its proper divisors (2692368122).

4187945542 is a wasteful number, since it uses less digits than its factorization.

4187945542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758675.

The product of its digits is 1612800, while the sum is 49.

The square root of 4187945542 is about 64714.3379939871. The cubic root of 4187945542 is about 1611.8835948738.

The spelling of 4187945542 in words is "four billion, one hundred eighty-seven million, nine hundred forty-five thousand, five hundred forty-two".